I totally agree; which is why I find it so intriguing. It’s specifically the dialogue with Sienna that @Kekmaster mentioned which makes me doubt. It may actually be that he is from one of those clans and defected to try to find a dwarven utopia?
I dunno, but it’s certainly food for thought. I have also always wondered why he had the Slayer career… it seems like he would be the absolute last dwarf to need to pay for his failures; with the way he acts, I can only imagine that he would hold true to his family/tenants until the day he died. It could certainly be him breaking away from a Chaos-Dwarf clan and trying to pay homage to the other clans by taking the Slayer Oath.
It doesn’t entirely make sense with his Ironbreaker career, however, which gives me hope.