Jimjar

A feckless rogue with a devil-may-care attitude, a
fondness for coin, and an obsession with betting
on virtually anything and everything.
Once you know a person, you regularly offer him
or her bets on things from their own efforts to
the outcomes of random events. You sometimes
use betting to goad others into doing thing, but
you take up others' bets as well.
I bet you twenty gold that....