The old man stares down Caiaphas for a long minute, before sighing in defeat. "Fine, you win. But I will not heistate to throw everything I have at you, if you betray this trust," he says, walking forward to offer his hand. "Swear you will do no harm while here, and that you will make noa ttempt to remove her, this day, and I will grant you the protection of the household," he replies, following fairly ancient, fey customs; it's a pretty typical agreement.