lifesaver
[ lahyf-sey-ver ]
/ ˈlaɪfˌseɪ vər /
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.
a lifeguard.
OTHER WORDS FROM lifesaver
life·sav·ing, adjective, nounWords nearby lifesaver
Example sentences from the Web for lifesaver
They'll probably patch it up and if we get a chance to escape later, it may be a lifesaver.
The Solar Magnet |Sterner St. Paul MeekIt was a lifesaver, for he was shooting down into the darkness at a great rate.
The Royal Book of Oz |L. Frank BaumHe's been a lifesaver ever since he was a-put inter pants, but his jints is too stiff now.
Vacation with the Tucker Twins |Nell SpeedSuch a device, Tom felt, might prove to be a lifesaver if he should ever become trapped under water—perhaps far from help.
Tom Swift and the Electronic Hydrolung |Victor Appleton