The phrase "holding prisoner" refers to the act of confining a person against their will. Antonyms for this phrase include releasing, liberating, emancipating, and setting free. These words imply letting go of someone's physical and psychological confinement, promoting their freedom and independence. Other antonyms could be aiding, helping, enabling, or assisting someone to escape or overcome captivity. Whether in the context of law enforcement, hostage situations, or personal relationships, holding someone as a prisoner denotes a degree of control and power over the individual. Conversely, releasing them from captivity conveys a sense of compassion, empathy, and respect for human rights.