What does he want to do? To help the cause, I mean. We know he sabotaged before, but so does You-Know-Who, I'm sure. Can't say he wouldn't make excellent bait.
[And earnestly.] I should like that. [Then: TEENAGE BOY ENGAGED.] I may be bright and clever, but you know I've no mind for the more subtle arts of war. I can't do this on my own, but there seem to be more of them than us, however slow moving they may be.