believer
[noun]
Synonyms: follower, adherent, convert, devotee, disciple, supporter, upholder, zealot

[TahlilGaran] English Synonym Dictionary ▲

be‧liev‧er /bəˈliːvə, bɪˈliːvə $ -ər/ noun [countable]
[Word Family: noun: belief, disbelief, believer; adjective: believable ≠ unbelievable, disbelieving; verb: believe ≠ disbelieve; adverb: unbelievably]

1. be a (great/firm) believer in something to believe strongly that something is good and effective:
I’m a great believer in regular exercise.

2. someone who believes in a particular god, religion, or system of beliefs Antonym : unbeliever

[TahlilGaran] Dictionary of Contemporary English ▲

believer
noun
I. sb who has religious faith
ADJ. devout, genuine, true | religious

[TahlilGaran] Collocations Dictionary ▲

believer
II. sb who believes that sth is good
ADJ. fervent, firm, great, passionate, staunch, strong
PREP. ~ in I'm a firm believer in the benefits of exercise.

[TahlilGaran] Collocations Dictionary ▲