Serious classes: Musketeer/crossbowman, however no magically reload please, make it a skil that takes a time, but make the shoots powerfull. pistol/sword chracter, pirate like.

on the other hand:

Lawyer, with powers Cease and desist attacks, a commoner class, that does nothing except havving extra emote called "those stupide adventurers are everywhere" , Ecologist, that would have ability to force PVP on anyone that is cutting trees, or fishing,

Semi serious - Taxi driver, will be able to carry other people between towns for gil.