noun
shaman; faith healer; exorcist
A person who performs rituals, prayers, or healing through spiritual or religious means. Can refer to traditional shamans, medicine men, or modern faith healers.
その村では、病気になると祈祷師に治してもらう習慣がある。
In that village, there is a custom of having a shaman heal you when you get sick.
彼は祈祷師として悪霊を追
He performed a ritual to drive out evil spirits as an exorcist.
Compound of 祈祷 (prayer, incantation) and 師 (master, specialist). The exact historical derivation is uncertain, but the term has been used for ritual healers in Japanese folk religion and esoteric Buddhism.