[That's—one hell of a question. He's honestly never been asked that before, but then again, he's kept himself far away from places that employed slaves as a general rule...

He is, at least, not offended by the suspicion; if anything, he's too surprised to take offense. Give him a moment to chew a bite of meat, first—]

Art, ma'am. Art and jewels, grains, wines... People, no. No, no—I'd sooner throw myself into the river than sell another person.

[He's probably a Bad Man, but not that bad.]