See prophet in Webster's New World College Dictionary
noun
a person who speaks for God or a god, or as though under divine guidance
a religious teacher or leader regarded as, or claiming to be, divinely inspired
a spokesman for some cause, group, movement, etc.
a person who predicts future events in any way
See prophet in American Heritage Dictionary 4
(prŏfˈĭt)
noun
A person who speaks by divine inspiration or as the interpreter through whom the will of a god is expressed.
A person gifted with profound moral insight and exceptional powers of expression.
A predictor; a soothsayer.
The chief spokesperson of a movement or cause.
a. Prophets(used with a sing. or pl. verb) The second of the three divisions of the Hebrew Scriptures, comprising the books of Joshua, Judges, Samuel, Kings, Isaiah, Jeremiah, Ezekiel, and the Twelve. Used with the. See Table at Bible.
b. Prophet One of the prophets mentioned in the Bible, especially one believed to be the author of one of these books. Used with the.