a preacher
Examples
To be a preacher requires two apparently contradictory qualities: confidence and humility.
There are several points on which virtually all scholars of antiquity agree. Jesus was a Jewish man, known to be a preacher and teacher, who was crucified (a Roman form of execution) in Jerusalem during the reign of the Roman emperor Tiberius, when Pontius Pilate was the governor of Judea.
The very idea of putting a preacher on trial for what he preaches, the very idea, you ought to be ashamed of yourselves!
Sri Sathya Sai Baba as a preacher of the highest human values was an iconic figure for over five decades. He endeared himself to the people through various institutions, with headquarters at Prashanthi Nilayam, that promoted egalitarian values, education and public health.
Those most moved to tears by every word of a preacher are generally weak and a rascal when the feelings evaporate.
Every one is a preacher under the gallows.