A person who performs purification rituals or exorcisms, often in a Shinto or folk-religious context.
村の祓い師が悪霊を追い払う儀式を行った。
The village exorcist performed a ritual to drive away evil spirits.
Compound of 祓い (harai, 'purification, exorcism', the continuative form of 祓う harau) and 師 (shi, 'master, specialist').