A human life; a person's existence or life—often used in contexts like rescue or prioritizing safety.
人命を最優先に考えて行動してください。
Please act with human life as the top priority.
台風のときは人命被害を防ぐために早めに避難するべきだ。
During a typhoon, you should evacuate early to prevent loss of life.
その医師の迅速な対応で人命が救われた。
The doctor's quick response saved a life.