Thief and Ninja!

[Powercow]

Thief should be the secondary job that Gladiator unlocks since gladiator has daggers as well as the soon to be implemented dual weild trait.

1) Gladiators becoming thieves makes no sense at all. You don't go from a plate-wearing, shield-bearing, sword-swinging pit-fighter to a sneaky, leather-armor wearing, dagger-using, agile rogue.
2) I know Gladiators were supposed to have dual-wielding at launch (and a whole secondary stamina bar for their off-hand), but that idea was scrapped presumably for time purposes. Did they actually mention Gladiators would get dual-wielding back? I think it would just come off as silly at this point.
3) The types of daggers you use as a Gladiator are more like parrying daggers or gladii. Thieves could easily use any number of short weapons, like kunai, kukris, stilettos, dirks, etc.

Thief -> Ninja would make a lot of sense, and it fits very well with Final Fantasy (Ninja was the advanced job of Thief in the very first Final Fantasy.)

[Claire_Pendragon]

GLA needs an option besides just tanking, as the number of DDs allowed in a group can exceed the number of tanks.
Similar with CNJ, since it will be forced into a healer role only, it will need some sorta DD attached. (I vote for RDM)
As for a DW GLA job, the only things to come to mind are NIN and THF, which does leave an issue to the equipment worn. Since armor is lost.

[Physic]

1) Gladiators becoming thieves makes no sense at all. You don't go from a plate-wearing, shield-bearing, sword-swinging pit-fighter to a sneaky, leather-armor wearing, dagger-using, agile rogue.
2) I know Gladiators were supposed to have dual-wielding at launch (and a whole secondary stamina bar for their off-hand), but that idea was scrapped presumably for time purposes. Did they actually mention Gladiators would get dual-wielding back? I think it would just come off as silly at this point.
3) The types of daggers you use as a Gladiator are more like parrying daggers or gladii. Thieves could easily use any number of short weapons, like kunai, kukris, stilettos, dirks, etc.

Thief -> Ninja would make a lot of sense, and it fits very well with Final Fantasy (Ninja was the advanced job of Thief in the very first Final Fantasy.)

a dude who fights in the pits, in the actual guild half the people wear leather. Notice also gladiator has full access to the best evasion gear in the game. They also have a weapon skill that does more dmg on monsters that arent looking at you.

Im not saying glad has to be theif, but its certainly not out of logical sense, note as well, parry doesnt work with shield, and yet they have parry materia.

main problem with glad being theif, is so much of their skill list is based around shield skills, while it has a couple skills that can be used in other ways, it leaves so much to be desired.

now.... if they did a glad job that used a pugilist or lancer sub, and gave it dual wield/triple attack, or a trait that makes 1 hand weapons proc twice when used without a shield, then you could probably have a pretty decent theif class.

ninja, hmmm it would probably need a lot from pugilist, or use very similar skills, most likely it could be a pugilist 2nd job, or would at least partially require pugilist.

[grandm]

GLA needs an option besides just tanking, as the number of DDs allowed in a group can exceed the number of tanks.
Similar with CNJ, since it will be forced into a healer role only, it will need some sorta DD attached. (I vote for RDM)
As for a DW GLA job, the only things to come to mind are NIN and THF, which does leave an issue to the equipment worn. Since armor is lost.

when they bring out a second job for a class. if they wanted to make a DD for GLD, they could use dark knight or samurai. both would more suit GLD than thief

[Powercow]

a dude who fights in the pits, in the actual guild half the people wear leather. Notice also gladiator has full access to the best evasion gear in the game. They also have a weapon skill that does more dmg on monsters that arent looking at you.

Marauders also have a lot of cloth and leather armor-wearing people in their quests, as well as also having full access to the best evasion gear in the game. All DoWs do. It's a pretty typical thing in fantasy games for the guy who has access to the heaviest armor to also be able to wear the lightest. The way Gladiators are portrayed, and the way sensible Gladiators gear, is with heavy armor.
Many of the quests with Marauders in them involve stealing and theft on a regular basis, so you know, there's that. There's even a sneaking mission for Marauders where you have to steal something without getting caught -- the quintessential thief quest.

In terms of thief-like abilities, Pugilist has Blindside (sneak attack) and Accomplice (er, accomplice), Lancers have Collusion (trick attack), Archers have Quickstride (flee). Pugilists were also originally supposed to have Steal be baseline, but that was scrapped.

So in terms of actual gameplay and story mechanics combined, Gladiator is probably the least likely DoW to become thief.

Im not saying glad has to be theif, but its certainly not out of logical sense, note as well, parry doesnt work with shield, and yet they have parry materia.

Parry materia (and the Parry stat in general) is for Marauders and to a much lesser extent tanking Pugilists, and an even lesser extent Lancers. If you have a Gladiator using Parry materia and it's not just because they're recycling the gear from Marauder, then, well...

ninja, hmmm it would probably need a lot from pugilist, or use very similar skills, most likely it could be a pugilist 2nd job, or would at least partially require pugilist.

Or Ninja could require Thief, which would make the most sense. Believe it or not, new classes can and will be added. Not every job needs to stem from the current few we have. Musketeer sure as hell wouldn't make any sense from our current class list.

[Erariel]

CON > WHM

then why

GLA > THF ?

LOL, don't rage on me it's just a "fun" reply

[Engineer]

Gladiator to THief? Lol no thanks.

Its not hard to implement a new smaller blades for a new class. Thief could always use Stiletto Blades. Thief > Ninja makes sense, Gladiator > Thief = wtf?

Archer = Bard WTH!

besides Thief is a job, not a class. Thief/Gladiador looks better dual weilding Daggers then having a katana.

let ninja be ninja, and thief be thief.

[Engineer]

1) Gladiators becoming thieves makes no sense at all. You don't go from a plate-wearing, shield-bearing, sword-swinging pit-fighter to a sneaky, leather-armor wearing, dagger-using, agile rogue.
2) I know Gladiators were supposed to have dual-wielding at launch (and a whole secondary stamina bar for their off-hand), but that idea was scrapped presumably for time purposes. Did they actually mention Gladiators would get dual-wielding back? I think it would just come off as silly at this point.
3) The types of daggers you use as a Gladiator are more like parrying daggers or gladii. Thieves could easily use any number of short weapons, like kunai, kukris, stilettos, dirks, etc.

Thief -> Ninja would make a lot of sense, and it fits very well with Final Fantasy (Ninja was the advanced job of Thief in the very first Final Fantasy.)

Thief as a class doesnt make sense at all. Thief is meant to be a job.

Ive seen Gladiators wearing leather, equipped with a dagger and shield, and reminded me of a thief.

and your forgeting Archer is going from a DD long range shooter to a Mid range Musical player.

Gladiator -> Thief. makes sense.

also making thief a class would ruin it all. there wouldnt be no thiefs in parties since its a class, and this games best content would need to be proceeded with Jobs.

Thief cant be a class. Class = weapon, and thief has always been the main Staple Job of most final fantasies.

[Amsai]

Well they did just say it in the Live Letter...........
However, people seem to be getting hung up on the Thf is a job part. Fair enough, if they do as Yoshi suggested then it will probably be a less obvious name but still basically be Thief to fit the class naming scheme, and then the job will be Ninja, problem fixed. I know there are a lot of Thief purists, but it would fit with past FF series lore. Im pretty damn sure there were Ninja that had "steal" in a couple of FF titles.

[Powercow]

Ive seen Gladiators wearing leather, equipped with a dagger and shield, and reminded me of a thief.

And I've seen Marauders sneak around and steal. Thus, Marauder would become thief before Gladiator.

and your forgeting Archer is going from a DD long range shooter to a Mid range Musical player.

FFXI was the only game I can think of that hard bards be a pure buffer. Everquest, NWN, and Rift all had bards in a support/DPS role. And where do you get "mid range" from? Seems like you're just making up stuff.

Gladiator -> Thief. makes sense.

It makes more sense than Conjurer or Thaumaturge -> Thief, I'll give you that. It makes more sense than Culinarian -> Thief. But it makes less sense than any of the other Disciples of War. Yes, even Marauders are more likely to become thieves based off the story than Gladiators are.

also making thief a class would ruin it all. there wouldnt be no thiefs in parties since its a class, and this games best content would need to be proceeded with Jobs.

So wait, wait. You're telling me the "thief" tag is so important that you wouldn't want to go with the "ninja" tag, even though Ninja would have everything "thief" would have, plus more? That seems kinda... silly.

Thief cant be a class. Class = weapon, and thief has always been the main Staple Job of most final fantasies.

Glad to see you decided to agree with me at the last second for some reason. Thief, seeing as it's always been either the starter or one of the earliest-accessed classes/jobs in Final Fantasy, should be a starter class. Heck, on three occasions the Thief actually upgrades to Ninja, and in one case there's a ninja who, by profession, is also a thief.
Incidentally, the only time a class actually upgrades into a thief is... Archers in FFT.
Lastly, there are other times when people are marked as thieves (Rikku, who uses H2H combat, and Balthier, who starts off with a rifle), but that just leans towards either pugilists or "thief" being more of a lifestyle than a combat style.

So the Final Fantasy precedent is:
Archers can become thieves.
Thieves can become ninjas.
Being a thief isn't necessarily a combat style, more of a lifestyle.