Exorcist

['eksɔːsɪst] or ['ɛksɔrsɪst]

(noun.) someone who practices exorcism.

(noun.) one of the minor orders in the unreformed Western Church but now suppressed in the Roman Catholic Church.

Editor: Nancy--From WordNet

(n.) One who expels evil spirits by conjuration or exorcism.

(n.) A conjurer who can raise spirits.

Checker: Steve