: the skill or practice of saving or protecting the lives especially of drowning persons.

Which thing is known as life-saving?

Lifesaving is the act involving rescue, resuscitation and first aid. It often refers to water safety and aquatic rescue; however, it could include ice rescue, flood and river rescue, swimming pool rescue and other emergency medical services.

What is lifesaver?

noun. a person who rescues another from danger of death, especially from drowning. a person or thing that saves a person, as from a difficult situation or critical moment: That money was a lifesaver. Chiefly British.