My dad is a preacher, A preacher is usually a person who delivers sermons or homilies on religious topic
Do they have sermons?
Preacher
A preacher is a person who delivers sermons or homilies on religious topics to an assembly of people. Less common are preachers who preach on the street, or those whose message is not necessarily religious, but who preach components such as a moral or social worldview or philosophy.
History.
Preachers are common throughout most cultures. They can take the form of a Christian minister on a Sunday morning, or an Islamic Imam. A Muslim preacher in general is referred to as a "dā‘ī", while one
Sermon
A sermon is an oration or lecture by a preacher (who is usually a member of clergy). Sermons address a scriptural, theological, religious, or moral topic, usually expounding on a type of belief, law, or behavior within both past and present contexts. Elements of the sermon often include exposition, exhortation, and practical application. The act of delivering a sermon is known as preaching.
In Christian churches, a sermon is usually delivered in a place of worship, either from an elevated architectural