stand in

stand in (for someone)

to substitute for someone; to serve in someone's place. The famous opera singer was ill, and an inexperienced singer had to stand in for her. The new singer was grateful for the opportunity to stand in.

Common Names:

Name	Pronounced	Usage
Brock	BRAHK	English
Siorus	-	Welsh
Radzim	-	Polish
Gertrude	GUR-trood (English), khər-TRUY-də (Dutch)	English, Dutch
Mahdi	-	Arabic, Persian
Ahura Mazda	ə-HUWR-ə MAZ-də (English)	Persian Mythology