Captive
Part of speech: noun
Definition: a person who has been captured or is otherwise confined a person held prisoner
Part of speech: adjective
Definition: held prisoner; not free; confined
Example sentence: When I was nine, we'd take a bus to the seaside. Coming back, we'd take turns entertaining, singing songs and the like. I tried some stand-up comedy. I had a captive audience in that bus. Then I realized I wanted to do more than that.
Prisoner
Part of speech: noun
Definition: A person incarcerated in a prison, while on trial or serving a sentence.Any person held against his or her will.
Example sentence: I will never forget the moment when I was liberated by the American Army. I will never forget those very young boys coming up the hill, who had to take me a prisoner to liberate me.