To preach any ideology to those who have not yet been converted to it.
To be enthusiastic about something, and to attempt to share that enthusiasm with others; to promote.
Coordinate term: proselytize
To tell people about (a particular branch of) Christianity, especially in order to convert them; to preach the gospel to.
Hypernym: proselytize
To speak passionately; to preach for or against something.
To speak formally; to give a speech.
Competent in oracy; having good speaking skills.