At this point in the game, "rushing" is not a valid argument.

[EdwinLi]

I may have 3 lvl 50 classes now but I'm still working on leveling the others.

The game is not all about having that 1 lvl 50 class and you're set for the entire game.

There are crafting, gathering, and getting cross-skills.

Also I'm leveling the other classes to lvl 30 for the cross-skills

currently level my Gladiator to lvl 50 since I'm interested in seeing what Job they will give Gladiator as its 2nd job.

Paladin is nice but Tanking has never been my thing.

leveling the other DoW and DoM is a good way to prepare for the future 2nd Jobs Gladiator, Marauder, Conjurer, Lancer, Archer, Pugilist and Thaumaturge will be getting later.