- lifeguard, lifesaver - an attendant employed at a beach or pool to protect swimmers from accidents
--1 is a kind of attendant, attender, tender
- life buoy, lifesaver, life belt, life ring - a life preserver in the form of a ring of buoyant material
--2 is a kind of life preserver, preserver, flotation device
--2 has particulars: breeches buoy