Evangelist
/ɪˈvæn.dʒə.lɪst/
Synonyms
- advocate
- missionary
- preacher
- proponent
- proselytizer
Slang Meanings
A fervent advocate or passionate promoter of any concept.
He's such an evangelist for healthy eating; he can't stop talking about it!
Someone who is excessively enthusiastic about their beliefs or products.
She's a real evangelist for that brand of skincare; she swears by it!