Detainee (noun)

1. A person held in official custody, typically in a prison or police station.
2. A person held in custody by a foreign government.
3. A person held in custody by military forces during a war.

Origin:

Late 19th century: from french détenu, past participle of détenir "detain", from latin detinere.

Examples:

1. The police held several detainees in custody.
2. The government has not yet released the names of the detainees.
3. The human rights organization reported on the conditions of the detainees.
4. He was held as a detainee without charge for over a year.
5. The war crimes tribunal is trying the former detainees for war crimes.