peddler

noun

Etymology: From Middle English pedlere, pedlare, pedeler, alteration of Middle English peddere (“hawker, peddler”), of uncertain origin. Compare Medieval Latin pedārius, from Latin pedāre (“to furnish with feet; prop up”).

1. An itinerant seller of small goods.
2. A drug dealer.

   “Here's a cure for all your troubles Here's an end to all distress It's the old dope peddler With his powdered happiness”

3. A fake-news disseminator; A conspiracy-theory propagator.