囚しゅう人じん

受じゅ刑けい者しゃ
受刑者 is the formal, legal term for someone serving a sentence, while 囚人 is the broader, everyday word for anyone imprisoned.
捕ほ虜りょN1
捕虜 refers specifically to a prisoner captured during armed conflict, while 囚人 is the general term for any prisoner or inmate serving a sentence.
囚しゅう
囚人 is the ordinary standalone noun for 'prisoner', while 囚 is a bound form that only appears inside compounds like 囚人 itself.
虜とりこ
囚人 refers to a convicted criminal serving a prison sentence, whereas 虜 refers to someone captured by an enemy or figuratively overwhelmed by passion.
死し刑けい囚しゅう
囚人 is a broad word for a prisoner or convict, whereas 死刑囚 specifically means a prisoner sentenced to death.

Don't confuse with

捕ほ虜りょN1
捕虜 refers specifically to a prisoner of war, whereas 囚人 refers to a criminal held in prison.
捕とらわれるN1
囚人 is a noun meaning 'prisoner,' while 捕らわれる is a verb meaning 'to be captured or held captive'; they share the kanji 囚 but differ in part of speech.

囚人Usage100%
- しゅうじん
  Standard kanji spelling; the most common written form.
- めしうど
- めしゅうど
めしゅうど
Rare historical reading; not used in modern Japanese.
めしうど
Rare historical reading; not used in modern Japanese.

Compound of 囚 (captive, prisoner) and 人 (person). The historical readings めしゅうど and めしうど are obsolete and their derivation is uncertain.