[he sighs inwardly. More and more]

Aye. I don't know what kind of life he's had before this or who he is, but if he sails with us he has to take some orders, remind him of that, will you? It's too dangerous to allow any kind of dissent.

[granted he doesn't know anything about this guy. But it's better to get that out in the open before they're further in trouble]