key figure

n. an important person in an event; a person central to an event. Sam is not exactly a key figure, but he can lead us to Mr. Big.

Name	Pronounced	Usage
Elise	e-LEE-zə (German), e-LEE-se (Norwegian, Danish, Swedish), i-LEES (English), i-LEEZ (English)	German, Norwegian, Danish, Swedish, Dutch, English
Conleth	-	Irish
Berard	-	Ancient Germanic
Bryanna	-	English (Modern)
Enoch	EE-nək (English)	Biblical, Biblical Latin, Biblical Greek
Burcu	-	Turkish