A healer is a practitioner of alternative health practices who works with, rather than against, the natural self-healing properties of the body. Healers are said to heal because all healing comes from within the body rather from external treatments.

GoldBamboo

... A healer is a practitioner of alternative health practices who works with, rather than against, the natural self-healing properties of the body. Healers are said to heal because all healing comes from within the body rather from external treatments. ...
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A healer is someone who purports to aid recovery from ill health, including ...
Wikipedia - [full article]