1. a person who preaches the Christian gospel or seeks to convert others to Christianity
Usage: often capitalized when referring to one of the four Gospel writers (Matthew, Mark, Luke, John)
2. a person who enthusiastically promotes or advocates for a cause, product, or idea
Usage: extended or figurative use

Examples

• The evangelizer traveled from town to town spreading the Christian message.
• Early evangelizers brought their faith to remote regions of the continent.
• She became an evangelizer for renewable energy, speaking at conferences worldwide.
• The company hired a tech evangelizer to promote their new software platform.
• Many evangelizers of the movement worked tirelessly to gain new supporters.
• As an evangelizer of healthy living, he inspired thousands to change their habits.