life saver

Someone or something that provides crucial help in a difficult situation. The term is almost always applied to situations that are not literally life-threatening. You're a real life-saver for coming over and fixing my flat tire. The knife I brought on the camping trip turned out to be a life saver when we realized we had forgotten a can opener.

Common Names:

Name	Pronounced	Usage
Sherman	SHUR-mən	English
Askins	['æskinz]
Consuelo	kon-SWE-lo	Spanish
Irene	ie-REEN (English), ie-REE-nee (English), ee-RE-ne (Italian), EE-re-ne (Finnish), ee-RE-nu (German)	English, Italian, Spanish, Portuguese, Swedish, Norwegian, Danish, Finnish, German, Ancient Greek (L
Garnet	['ga:nit]
Cosma	-	Italian