maven

and mavin (ˈmevnæ)

1. n. an expert; a self-proclaimed expert. (From Hebrew mevin via Yiddish.) A maven in the stock market you are not.

2. in. to act as a maven (sense 1). She’s always mavening about something.

Name	Pronounced	Usage
Barakat	-	Arabic
Drorit	-	Hebrew
Meredith	['meridiθ]
Arness	['a:nəs]
Rada	-	Russian, Bulgarian, Macedonian, Serbian
Charlotta	shah-LOT-ah	Swedish