Don't be so sure they were in the right either... careful.

They have a very jovial personality, with a infectous charismatic charm.
A very masterful pickpocketer, they uses disguises to gain useful relics. They sell most of these to provide for themself, but has kept a fair amount of the things they have stolen to a consistent buyer. They have are able to disguise themselves, making their job easier.
He only likes to steal those very well off, those they think don't "deserve" it. Despite being a thieve themself, they will not hesistate to stop others who are harassing the innocent.