captive
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source: [監獄学園の裏生徒会が囚人服を着て懲罰棟に向かうGIF画像｜無料GIF画像検索 GIFMAGAZINE 675004]
noun
a person who has been taken prisoner or an animal that has been confined.
捕虜, 人質, 囚人(prisoner)
adjective
imprisoned or confined:
捕虜になった, 捕らえられた
e.g. the farm was used to hold prisoners of war captive
e.g. a captive animal.
attributive having no freedom to choose alternatives or to avoid something:
〖名詞の前で〗選択の自由のない〈消費者など〉
e.g. advertisements at the movie theater reach a captive audience.
(of a facility or service) controlled by, and typically for the sole use of, an establishment or company:
〖名詞の前で〗専属の〈(子)会社など〉
e.g. a captive power plant.
ORIGIN
late Middle English: from Latin captivus, from capere ‘seize, take’.