A charlatan, huckster, grifter, swindler, a scoundrel.
A pimp.
Somebody who pretends to be an amateur at a game in order to win bets.
A male prostitute who sells his services to men.
One who rushes or hurries; an energetic person.
A prostitute.
One who sells by deception; a con artist.
One who sells dubious medicines.
Any boastful, false pretender.
To act as a mountebank.
To cheat by boasting and false pretenses.