proselytize

/ˈprɑsəlɪtaɪz/
verb
  1. To try to persuade someone to join a religion, political party, or other group.
    • He was known to proselytize his political views at every opportunity.
    • The law prohibits public officials from proselytizing while on duty.
    • The group went door-to-door to proselytize for their church.
  2. To strongly advocate for or promote a particular belief, cause, or product.
    • Tech enthusiasts often proselytize the latest gadgets to their friends.
    • She loves to proselytize about the benefits of meditation.
    • The author spent years proselytizing for environmental conservation.