Exorcist

Person who is believed to be able to cast out the devil or other demons

In some religions, an exorcist is a person who is believed to be able to cast out the devil or performs the ridding of demons or other supernatural beings who are alleged to have possessed a person, or (sometimes) a building or object. An exorcist can be a specially prepared or instructed person including: priest, a nun, a monk, a witch doctor (healer), a shaman, a psychic or a geomancer.

This keyword could refer to multiple things. Here are some suggestions: