I would also prefer something different than the typical fantasy sterotype kung fu monk in 'tolkein' medieval fantasy worlds. I mean if this was Jade Empire it would be different.
I really like the hospitilar or flagellant idea, the zealot. I guess the same themes run through all monk archtypes with immunity to mind effects and some limited pain resistence because of training, extreme beliefs and in case of of a flagellant, self multitation for penance.
Flagellants in history was popular and was supressed in many places by various churches. Hell maybe you could turn it into a pet cl