Any other traits should I know about?

So far I think your doing great but here is a personality description I made a while back, He is a very down-to-business type of guy that helps those in need, he is usually friendly but when you get on his bad side it doesn’t end well, and he is always looking for the finer details. [spoiler]I would also add that he is hard to gain trust from.[/spoiler]

That'll be an interesting character dynamic for this sort of ordeal