1) Deliverer from evil spirits 2) Exorcist 3) Magician 4) Necromancer 5) Priest, at times 6) Sorcerer 7) Wizard 
• (n.) An exorcist.
Ex'or·ci`ser (-sī`zẽr) noun An exorcist. 
exorciser 1. Someone who seeks to expel (an evil spirit) by adjuration or religious or solemn ceremonies: 'The preacher, an exorciser, exorcised a demon by holding a Bible at a woman's head and commanding that the demon possessing her, 'Be gone!' 2. Anyone who frees (a person, place, etc.) of evil spirits or malignant influences.