huckster
[noun]
Synonyms: peddler, arab, cheap-jack (or cheap-john), duffer, hawker, higgler, monger, outcrier, packman, vendor
[verb]
Synonyms: haggle, bargain, chaffer, dicker, higgle, palter, peddle, hawk, monger, vend

[TahlilGaran] English Synonym Dictionary ▲

huck‧ster /ˈhʌkstə $ -ər/ noun [countable]
[Date: 1100-1200; Language: Middle Dutch; Origin: hokester, from hoeken 'to go around selling things']
American English someone who tries to sell things in a way that is too forceful and not honest – used to show disapproval
—hucksterism noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲