1. attempting to convert someone from one religion, belief, or opinion to another
Usage: British spelling; American spelling is ‘proselytizing’

Examples

• The missionaries were accused of proselytising among the local population.
• She spent years proselytising for her political cause.
• The organization was banned from proselytising on university campuses.
• He felt uncomfortable with his colleague’s constant proselytising about veganism.
• The group focused on charity work rather than proselytising.
• Many countries have laws restricting religious proselytising.