A person who is incarcerated or imprisoned.
A person who is kept in custody, often in a different context of being confined.
वह व्यक्ति जो हिरासत में है।
English Usage: The police took the suspect as a prisoner during the investigation.
Hindi Usage: पुलिस ने जांच के दौरान संदिग्ध को कैदी के रूप में लिया।