From Longman Dictionary of Contemporary Englishhealerheal‧er /ˈhiːlə $ -ər/ noun [countable] 1 CUREsomeone who is believed to be able to cure people using natural powers, rather than by using medicine → faith healer at faith healing2 something that makes a bad experience seem less painful Time is a great healer.
Examples from the Corpus
healer• They became healers and teachers, writers and editors.• I have now had seven different healers, three at the Centre and four at home.• This guy I know really well suffered from it and went to see this faith healer and made a complete recovery.• Gleaming plaques beside their doors named doctors and dentists, false healers one must never turn to.• Time is a great charlatan, not a great healer, as has been remarked.• Two days earlier I'd cancelled an appointment with a psychic healer, thinking perhaps I should leave well enough alone.• She took her son to holistic and psychic healers. 