Synonyms for Peddler (same or very similar meaning)
WordNet sense 1 (an unlicensed dealer in illegal drugs):
pusher, drug dealer, drug peddler, drug traffickerWordNet sense 2 (someone who travels about selling his wares (as on the streets or at carnivals)):
hawker, pedlar, pitchman, packmanFrom the ODE community, based on WordNetadd/edit