Not for any specific game just in a general fantasy RPG setting

Examples would be:
Warrior, rogue, ranger, cleric, mage, geomancer, dragoon, gunner, psychic, alchemist, mascot, death knight, vampire hunter, demon hunter, angel hunter, dragonslayer, godslayer, dragon rider, summoner, time mage, sage, air bender, fire bender, water bender, earth bender, shinigami/soulreaper, quincy, fullbringer, keyblade master, necromancer, hoplite, fencer, Batman, paladin, templar, assassin, ninja, pirate, cowboy, indian, ninja/pirate/cowboy/indian, ghost, exorcist, The One, dragon, werewolf, monk, beast tamer, The Doctor, cyborg, devil fruit eater, Bruce Lee, royal... I could come up with more, but that list is long enough already!

Use your imagination!