[How much did he want to advertise what he did? Remy normally kept it under wraps, didn't brag about it, at least not to those he didn't know, and even then it was more about his skills than what his job was.
Then again, they were in a 'prison', he couldn't be the only thief around.] 'm a thief. [Maybe a little simplified for what he did, but it summed it up pretty nicely.]