[Thankfully for Fai, despite being a rather talented hunter... he's just not too great lately on the whole 'killing them' part. Not that he realizes yet for sure that Fai is a vampire, of course. He's on edge, though, being on this side. But if this person doesn't recognize that he doesn't "belong" here, then...]
... I don't recognize you. Did you just arrive to this world? [He likes to think he has a good sense of who's on this side, if not by name then at least by face.]