Brand new here and feeling things out, so I'm trying to think of what would be the best idea for him to do. Saving people isn't really his schtick, but he can be coerced or bribed into doing it.

He's currently staying at the Queen's Residence, and as for having to practice on the field, he's going to be a pain in the butt because excuse you, he trained a Hunter. He's old. He already knows how to kill people. He does it for fun. Ask him about his TED talk.