She felt a sudden rush of anger at the thought of sitting across from someone who would consider Semak under his protection, but she gritted her teeth and got it under control. "And if he's not? You have to swear."

If he was protecting Semak, she'd want him dead anyway. If he wasn't, then he should have no problem promising her to keep the secret. And he seemed, from what she'd gathered in the short time she'd known him, to be the kind of person who would do his best to keep a promise.