proselytizer

WordReference Random House Learner's Dictionary of American English © 2025

pros•e•lyt•ize /ˈprɑsəlɪˌtaɪz/   v., -ized, -iz•ing. 

1. to attempt to convert (someone) to one's faith or cause: [no object]
   went proselytizing for reform.
   [~ + object]
   proselytizing the uncommitted voters.

pros•e•lyt•ism, n. [uncountable]
pros•e•lyt•iz•er, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

pros•e•lyt•ize  (pros′ə li tīz′), v.t., v.i., -ized, -iz•ing. 

1. to convert or attempt to convert as a proselyte; recruit.

Also,[esp. Brit.,] pros′e•lyt•ise′. 

• proselyte + -ize 1670–80

pros•e•lyt•is•tic  (pros′ə li tis′tik, -lī-), adj.  pros′e•lyt•i•za′tion, n. 
pros′e•lyt•iz′er, n.