do duty as

do (double) duty as/for something

(American & Australian)

to also have another purpose They make an electronic identity card that will do duty for a credit card and pocket calculator. She's really the secretary but she does double duty as the receptionist during Katrina's lunch hour.

Common Names:

Name	Pronounced	Usage
Matey	-	Bulgarian
Anant	-	Indian, Hindi, Marathi
Nirav	-	Indian, Gujarati, Marathi
Karina	kah-REE-nah (Swedish, Polish, German, Russian), kə-REE-nə (English)	Swedish, Danish, Norwegian, Polish, German, Russian, English
Karna	-	Hinduism
Vasant	-	Indian, Marathi, Gujarati