1. a person who attempts to convert others to a particular religion, belief, or opinion

Examples

• The door-to-door proselytizer handed out religious pamphlets to every house on the street.
• She was known as an aggressive proselytizer who tried to convert all her coworkers.
• The university banned proselytizers from approaching students on campus.
• As a passionate proselytizer for veganism, he constantly shared articles about animal rights.
• The missionary worked as a proselytizer in remote villages for over twenty years.
• Many people found the political proselytizer’s constant arguments exhausting.