I think we should vote Waff. The first murder was Humorman's, he was asking for it but the person who killed him probably knew he was a serf because he lied about being the paranoid. So they are probably an ork because I doubt the black mage would waste his time on a serf.
murder 2- 2 people killed, This one was most likely done by the black mage, Waff
murder 3- Kitty17 was killed, the narrative mentioned that it was done by an ork, probably Aghammer.
Assuming that Waff is not protecting himself, we should lynch him
If he is protecting himself, then we'll have definitive proof.