propagandist

n.

[Cf. F. propagandiste.]
A person who devotes himself to the spread of any system of principles. «Political propagandists.» Walsh.

---

IN BRIEF: One who spreads information or ideas in a way meant to persuade others.

The real persuaders are our appetites, our fears and above all our vanity. The skillful propagandist stirs and coaches these internal persuaders. — Eric Hoffer (1902-1983)