What is a 'rescue swimmer' trained to do?

A rescue swimmer is specifically trained to perform water rescues and assist in searching for victims in aquatic environments. This role requires specialized skills in swimming, diving, and operating in challenging water conditions. Rescue swimmers undergo rigorous training to ensure they can effectively and safely retrieve individuals from water situations, such as during floods or maritime emergencies. They are often part of search and rescue teams, working in collaboration with other emergency personnel to locate and save individuals in distress.

The other options do not encapsulate the full scope of a rescue swimmer's responsibilities. While retrieving objects from the water might be a minor aspect of their job, it does not define their primary function. Providing medical support and teaching swimming lessons lie outside the specific duties of a rescue swimmer, as their expertise is primarily focused on rescue operations and life-saving measures in aquatic settings.