believer

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.

make a believer (out) of someone

to convince someone decisively about something. The game they played made a believer out of me; from now on, I'm betting on them. It was an interesting discussion, but it did not make a believer out of me.

Common Names:

Name	Pronounced	Usage
Nazario	nah-TSAH-ryo (Italian), nah-THAH-ryo (Spanish), nah-SAH-ryo (Latin American Spanish)	Italian, Spanish
Laia	LAH-yə	Catalan
Clyde	[klaid]
Josepha	yo-ZE-fah (German)	German (Archaic), English (Rare)
Amos	AY-məs (English)	English, Hebrew, Biblical, Biblical Latin, Biblical Greek, Biblical Hebrew
Gerald	['dʒerəld]