to rescue people from pain and suffering; to help the needy and relieve the distressed

A high-speed tugboat or salvage vessel equipped with special medical and rescue gear to help ships and people in distress at sea.

a team of workers trained to provide emergency assistance or first aid to people in distress

The rescue and salvage of ships that have run aground, capsized, or are adrift at sea; usually performed by vessels with specialized equipment and personnel.