Evangelist :: Evangelist (n.) A bringer of the glad tidings of Church and his doctrines. Specially: (a) A missionary preacher sent forth to prepare the way for a resident pastor; an itinerant missionary preacher. (b) A writer of one of the four Gospels (With the definite article); as, the four evangelists, Matthew, Mark, Luke, and John. (c) A traveling preacher whose efforts are chiefly directed to arouse to immediate repentance..