They were teachers and preachers rather than prophets, performing duties not dissimilar to those of Franciscan friars in the Middle Ages.
"Beacon Lights of History, Volume II" by John Lord
Friars Preachers, Order of, 318.
"An Illustrated History of Ireland from AD 400 to 1800" by Mary Frances Cusack
The friars were not recluses, like the older orders, but active preachers and teachers of the people.
"The History of England" by T.F. Tout
The Lollard preachers stirred up riots by the virulence of their preaching against the friars.
"History of the English People, Volume II (of 8)" by John Richard Green
But any friars or preachers captured there are horribly tortured.
"The Philippine Islands, 1493-1898, Volume XXIV, 1630-34" by Various
The two young friars preachers and the Usher Massieu accompanied Jeanne to the stake.
"The Life of Joan of Arc, Vol. 1 and 2 (of 2)" by Anatole France
Two friars came, one of them a man of profound learning and a great preacher.
"The Autobiography of Madame Guyon" by Jeanne Marie Bouvier de La Motte Guyon
One of them wore a mitre on his head, the other was clad in the habit of the Friars Preachers.
"On Prayer and The Contemplative Life" by St. Thomas Aquinas
The second was with the Friar Preachers, and destined to become a Dominican, or a Jacobin as they were then called.
"La Sorcière: The Witch of the Middle Ages" by Jules Michelet
THE HISTORY OF ST. DOMINIC, FOUNDER OF THE FRIAR PREACHERS.
"The Old Riddle and the Newest Answer" by John Gerard
Father Cornelis Adriensen, a minor friar, dirty, brazen, furious, and a bellowing preacher, was on that day occupying the pulpit of truth.
"The Legend of Ulenspiegel" by Charles de Coster