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
Lucja	LUWTS-yah	Polish
Bradley	['brædli]
Javor	-	Croatian, Serbian, Slovene
Urvi	-	Indian, Marathi, Gujarati
Delia	['di:ljə]
Yered	-	Biblical Hebrew