Mountebank
Noun
Definition
A swindler; a charlatan; a trickster.
Synonyms
Con man
Quack
Fraud
Antonyms
Honest
Sincere
Truthful
Original Sentences
1) The mountebank came into town trying to convince people to buy his "magic shampoo" for an inordinate sum.
2) The "friendly banker" was revealed to be a mountebank trying to steal the town's wealth.
Apollo Robbins, The Master Pickpocket: Tricks of the Trade
This would fall under the definitions of "trickster".