To give advice in an offensive or obtrusive manner.
To proclaim by public discourse; to utter in a sermon or a formal religious harangue.
To give a sermon.
To advise or recommend earnestly.
To teach or instruct by preaching; to inform by preaching.
To publicly make known one's views, contributions, or vote, especially in a contentious situation where fortitude is required.
To take significant individual action to help a group effort.