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
Ichirou	ee-chee-ṙo:	Japanese
Salvatrix	-	Late Roman
Ebba (1)	EB-bah (Swedish), E-bah (German)	Swedish, Danish, Norwegian, German (Rare)
Geirr	-	Ancient Scandinavian
JenŐ	-	Hungarian
Mererid	-	Welsh