EVANGELIST, n. A bearer of good tidings, particularly (in a religious sense) such as assure us of our own salvation, and the damnation of our neighbors.

Ambrose Bierce (1842–1914?) American writer and journalist

“Evangelist,” The Cynic’s Word Book (1906)
    (Source)

Included in The Devil's Dictionary (1911). Originally published in the "Devil's Dictionary" column in the San Francisco Wasp (1884-05-24).

The original entry in the Wasp concluded: “The evangelists proper are Matthew, Mark, Luke and John; the evangelists improper are the parsons."