1) We can play a card game with him and go our separate ways.
2) Perhaps permanent damage from Air can take the guy out, but I'm worried that the curse might then be passed on to one of us.
3) We can just go our separate ways.
4) I don't know why we would do this, but we could go to Tertia (at least, we don't know of any other elves capable of cursing someone) and try to convince her to lift the curse from the guy, but I'm not sure if that's a good idea.