medicine man 
noun
(Among North American Indians and some other peoples) a person believed to have magical powers of healing; a shaman.The Rastaman is the ancient medicine man, using his power to heal the world....
- A counselor and a Navajo medicine man conduct the sessions.
- They sometimes supplement Western-style medical care with home remedies or treatment derived from old beliefs in the curing power of the word of the shaman, or medicine man.