Jaqen H'ghar: A man pays his debts. A man owes three.
Arya Stark: Three what?
Jaqen H'ghar: The Red God takes what is his, my lovely girl. And only death may pay for life. You saved me and the two I was with. You stole three deaths from the Red God. We have to give them back. Speak three names and a man will do the rest. Three lives I will give you, no more, no less. And we're done.
Arya Stark: I can name anyone? And you'll kill him?
Jaqen H'ghar: A man has said.