lifesaver

1 ENTRIES FOUND:
lifesaver /ˈlaɪfˌseɪvɚ/ noun
plural lifesavers
lifesaver
/ˈlaɪfˌseɪvɚ/
noun
plural lifesavers
Britannica Dictionary definition of LIFESAVER
[count]
1 
: something that saves a person's life
2 
: something or someone which provides help that is badly needed
3 
chiefly Australia : lifeguard