[He clicks his tongue in disapproval.] Oh, that's very rude of the host to make such a scary face to their guest! [He starts to approach him, visibly displaying his claws in a way of challenging him.]

You're suppose to entertain your guest when they're bored. So entertain me! [He's not sure what this man can do, so he'll simply swipe at him, just within range to give him a scratch if he doesn't retaliate in some way.]