Lifeguard

n.capable, kindeveryday

What it means

A trained person who supervises swimmers and responds to danger in the water.

Reach for it when naming the specific safety role rather than anyone who happens to assist at a beach or pool

The lifeguard cleared the pool as soon as thunder sounded.

everyday
pool guard
plain wording identifies supervision at a swimming pool
not when Pool guard is less established and excludes beaches, lakes, and water parks.
warm
lifesaver
the rescue itself is being gratefully recognized
not when Lifesaver can describe any helpful person or object and is not always a trained role.
professional
rescue swimmer
a specialist enters hazardous water to perform rescues
not when Rescue swimmers may deploy after an emergency rather than supervise a public swimming area.
professional
water-safety officer
formal responsibility includes prevention, supervision, and response
not when The title varies by organization and may include duties beyond guarding swimmers.
formal
beach patrol member
shore safety is shared across a patrol team
not when Beach patrol can cover enforcement and first aid beyond water rescue.

trained lifeguard
A trained lifeguard inspected the rescue board before opening the beach.
lifeguard station
The lifeguard station holds radios, flotation aids, and weather alerts.
on-duty lifeguard
The on-duty lifeguard noticed the child's fatigue early.

Near-synonyms often name adjacent aquatic-safety roles rather than an exact replacement; required training and authority vary by venue.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.