囚しゅう徒としゅうとMeanings1nounprisoner; convictA somewhat formal or literary term for a person held in prison. In everyday speech, 囚人 (しゅうじん) is more common.囚しゅう徒とは独どく房ぼうに閉とじ込こめられていた。The prisoner was confined in a solitary cell.