"Shit, man, it's cool. I don't judge. I have a ghost girlfriend, and..."
Mustave reflexively looks around for the sheriff, before continuing.
"Anyway, yeah, I hate slavers. I lied about that not judging thing. I totally judge slavers. Do you have any idea how many people are on board that thing?"
To the group:
"So, unless someone is both a really good swimmer and strong, it would seem best to get the treasure before sinking the ship. Does anyone have any good ideas on getting on board and/or sinking the ship?"