proselytizer
noun
- a person who makes, or seeks to make, proselytes or converts; (in extended use) an advocate or proponent of something
Wiktionary
noun
Etymology: Etymology tree English proselytize Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English proselytizer From proselytize + -er.
- Agent noun of proselytize; one who proselytizes.