Scholars wear light armor, Adventurers medium, and Soldiers heavy.
Here are some helpful profession-specific websites:
As for me, a Necromancer will be my main. If I have time, I will make something else, but I doubt it will be anytime soon.
Overseas until the end of August.
Play a lot of melee class and little or no caster class so main will be Guardian, a bit of both will be great for someone like me who don't have much skill with caster classes.