1. to try to persuade someone to change their religious or political beliefs to your own
Usage: British spelling; American spelling is ‘proselytize’

Examples

• The missionaries came to proselytise among the local population.
• She was accused of trying to proselytise her colleagues at work.
• The group was forbidden from proselytising on campus.
• He felt uncomfortable when strangers tried to proselytise him on the street.
• The organization’s main goal was to proselytise their political ideology.
• Many religions actively proselytise to gain new followers.