swindler(n = noun.person) chiseler, chiseller, defrauder, gouger, grifter, scammer - a person who swindles you by means of deception or fraud;
is a kind of beguiler, cheat, cheater, deceiver, slicker, trickster
has particulars: card shark, card sharp, card sharper, cardsharp, cardsharper, sharper, sharpie, sharpy, clip artist, con artist, con man, confidence man, welcher, welsher
Derived form verb swindle₁

   One who swindles, or defrauds grossly; one who makes a practice of defrauding others by imposition or deliberate artifice; a cheat. [1913 Webster]
"Fraud and injustice soon follow, and the dignity of the British merchant is sunk in the scandalous appellation of a swindler." [1913 Webster]
"Perhaps you 'll think I act the same
As a sly sharper plays his game." [1913 Webster]

N  thief, robber, homo triumliterarum, pilferer, rifler, filcher, plagiarist, spoiler, depredator, pillager, marauder, harpy, shark, land shark, falcon, mosstrooper, bushranger, Bedouin, brigand, freebooter, bandit, thug, dacoit, pirate, corsair, viking, Paul Jones, buccaneer, buccanier, piqueerer, pickeerer, rover, ranger, privateer, filibuster, rapparee, wrecker, picaroon, smuggler, poacher, abductor, badger, bunko man, cattle thief, chor, contrabandist, crook, hawk, holdup man, hold-up, jackleg, kidnaper, rustler, cattle rustler, sandbagger, sea king, skin, sneak thief, spieler, strong-arm man, highwayman, Dick Turpin, Claude Duval, Macheath, footpad, sturdy beggar, cut purse, pick purse, pickpocket, light-fingered gentry, sharper, card sharper, skittle sharper, thimblerigger, rook, Greek, blackleg, leg, welsher, defaulter, Autolycus, Jeremy Diddler, Robert Macaire, artful dodger, trickster, swell mob, chevalier d'industrie, shoplifter, swindler, peculator, forger, coiner, fence, receiver of stolen goods, duffer, smasher, burglar, housebreaker, cracksman, magsman, Bill Sikes, Jack Sheppard, Jonathan Wild, gang, gang of thieves, theft ring, organized crime, mafia, the Sicilian Mafia, the mob, la cosa nostra, Dillinger, Al Capone, Robin Hood.

N  deceiver &c (deceive), dissembler, hypocrite, sophist, Pharisee, Jesuit, Mawworm, Pecksniff, Joseph Surface, Tartufe, Janus, serpent, snake in the grass, cockatrice, Judas, wolf in sheep's clothing, jilt, shuffler, stool pigeon, liar &c (lie), story-teller, perjurer, false witness, menteur a triple etage, Scapin, bunko steerer, carpetbagger, capper, faker, fraud, four flusher, horse coper, ringer, spieler, straw bidder, imposter, pretender, soi-disant, humbug, adventurer, Cagliostro, Fernam Mendez Pinto, ass in lion's skin, actor, quack, charlatan, mountebank, saltimbanco, saltimbanque, empiric, quacksalver, medicaster, Rosicrucian, gypsy, man of straw, conjuror, juggler, trickster, prestidigitator, jockey, crimp, decoy, decoy duck, rogue, knave, cheat, swindler, jobber, saint abroad and a devil at home.