noun
Refers to a person who engages in rigorous spiritual training, often involving mountain pilgrimages, fasting, and other austerities. Commonly associated with Shugendō practitioners.
山伏は古くから行者として知られている。
Yamabushi have long been known as ascetics.
彼は四国遍路の行者だ。
He is a pilgrim on the Shikoku pilgrimage.
From Middle Chinese 行者 (xíngzhě, literally 'one who goes/walks'), originally a Buddhist term for a practitioner on the path.