prove oneself as

prove oneself as something

to demonstrate that one can serve in a certain office or capacity. It's time to promote her. She has proved herself as a teller. I proved myself as an investor by making a lot of money in the stock market.

Common Names:

Name	Pronounced	Usage
KornÉL	KOR-nayl	Hungarian
Ravindra	-	Hinduism, Indian, Hindi, Marathi, Telugu, Kannada
Hilargi	-	Basque
Azar	-	Persian
Penelope	pə-NEL-ə-pee (English)	Greek Mythology, English
Eireann	-	English (Rare), Irish (Rare)