proselytize

Short definition from Wiktionary

Verb

1. 1
   To advertise one’s religious beliefs; to convert (someone) to one’s own faith or religious movement or encourage them to do so.
2. 2
   To advertise one’s religious beliefs; to convert (someone) to one’s own faith or religious movement or encourage them to do so: To coerce into religious conversion.
3. 3
   To advertise a non-religious belief, way of living, cause, point of view, (scientific) hypothesis, social or other position, political party, or other organization; to convince someone to join such a cause or organization or support such a position; to recruit someone.