Dragoons not allowed to use Stun? (Low level Dungeons)

[Mysteltain]

Whenever there is a fight or enemy that you're not used to, it's a good idea to save the stun until you see them use what looks to be a big attack. If you stun, then you know to save it. If it says that they're immune, spam it as often as possible for that sweet DPS. Of course, with trash mobs, it's often safe to use your stun whenever--there are only a few mobs that come to mind that require a stun.

Of course, it's also important to communicate with your tank if you are going to stun, as PLDs are often dedicated stunners if a fight requires one (like Ifrit HM back in the day). In that case, you ought to hold off on using it.