[Somehow he's not sure his question has been answered, but that probably meant it wasn't worded well on account of him simply not understanding the details. It sounds like Ambrose is saying that yes, all magic users are witches and warlocks - not that "witches and warlocks" are a subset in a world that might also have people termed wizards and priests and whatever other sorts of people might wield those kinds of powers.

The only reason it matters, of course, is that if witches and warlocks are specifically people who use dark powers intended to harm others, there might be room to consider that he deserved it.]

Earlier, you told me you and your people did their best to hide the use of magic from nonmagical people. How did these witch hunters discover you, then?