Professions:
You can be the following professions on this site.
Alchemist: Can create potions.
Enchanter: Can make Enchants to put on your gear.
Blacksmith: Can make Mail or Plate Gear.
Weaponsmith: Can make certain weapons.
Leatherworker : Makes leather gear and quivers.
Tailor: Can make bags, cloaks, and cloth gear.
Beastmaster: Can bred and sell mounts.
See the following links for more information.
Tailor
Alchemy
Beast Master
Blacksmith
Enchanter
Weaponsmith