Apparently that means something to Five, because he nods along like he's following. At the last mention, he actually scoffs. A man with a goat. That sneaky mother fucker...

"Haltham." The man who arranged the farmhouse he stuck them all in. He made a deal with them, didn't he? "He works with Karsa. They must have been negotiating for you."

This is wild speculation, but he's already been suspicious of those two. They'd probably do whatever it takes to get them. He would respect that, but the fact that they knew of a new arrival and neither one said a word to their group puts a bad taste in his mouth.