Literal sense: a person captured and held against their will, especially in war or conflict.
She became completely captivated by that music.
The soldiers who became captives of the enemy were sent to a prisoner-of-war camp.
captive of love; slave to passion
Figurative sense: someone completely captivated by love, desire, or a strong emotion; often used in romantic or dramatic contexts.
He became a captive of her charm.
I'm a slave to sweets and end up eating cake every day.
That smile captivated many people.
The soldiers became prisoners of the enemy.
捕虜 specifically means a prisoner of war captured in battle, while 虜 is broader and can also describe being figuratively enslaved by love or emotion.
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.
Standard kanji spelling; common in news and everyday use.
Kana spelling is common when the nuance is figurative or emotional.
Rare kanji variant; not commonly used.
Rare kanji compound; literary or historical.
The kanji 虜 originally meant 'captive' or 'prisoner'. The reading とりこ is a native Japanese word. The figurative sense developed from the idea of being 'captured' by emotions.