A rescuer is a person who saves something from harm or danger.

The term is commonly used with people who are doing a rescue and in some careers use "Rescuer" as the job title.

The main job of a rescuer is to save lives in a dangerous environment.

A rescuer in a fire department is very different between western and eastern cultures.

Commonly these rescuers are known from Coast Guard service, where they are seen saving people during a dangerous encounter.