Nathan sheathed his sword and followed Abia to back her up if necessary.  But he stayed in the background and out of the conversation.  After all, diplomacy wasn't his strong suit.  In fact, he had a habit of rubbing some people the wrong way.  Besides, he didn't want to seem like he was interfering in Abia's business.  And if Erin was gone when he got back to the table . . . . . well, he'd have to find a way to lock up Midnight.