noun
follower of a religion; believer; Jōdo Shinshū practitioner
Often refers specifically to followers of Jōdo Shinshū (True Pure Land Buddhism), but can be used more broadly for religious followers. The term carries a slightly formal or traditional tone.
彼は熱心な門徒で、毎朝お寺にお参りに行く。
He is a devout follower and goes to the temple every morning to pray.
この地域には門徒が多い。
There are many Jōdo Shinshū followers in this area.