The story
From resurrection (“the act of rising from the dead and becoming alive again”) + -ist (“forms agents of cause; forms adherents of a belief”), coined alongside resurrection man.
Etymology from Wiktionary, CC BY-SA 4.0.
resurrectionist
Today it means: One who sells cadavers to anatomists, surgeons, etc., especially by exhuming corpses from graves; a graverobber. Full definition →