true believer

One who passionately supports a cause or concept. My sister is a true believer in social equality, so she is out at the protest today.

Name	Pronounced	Usage
İZzet	-	Turkish
Atkinson	['ætkinsn]
'Ari'el	-	Biblical Hebrew
Othniel	AWTH-nee-əl (English)	Biblical
Lagle	-	Estonian
Czcibor	-	Polish