he's actually, alongside his mother, a member of the cult thingy. but if my memories of the novel are correct, he wont really cause too much problems till the final
Uhhh idk i think dark believers ? They were if my memory is correct moslty refered to as cultists in the novel translation i read. The ppl the anoying dude from the island arc and kanna's bio dad are part of, thoses who use the black mist and stuff.