https://en.wikipedia.org/wiki/Confidence_trickGrifter:
Synonyms include
con, confidence game, confidence scheme, ripoff, scam, and stratagem.
The perpetrator of a confidence trick (or "con trick") is often referred to as
a confidence (or "con") man, con artist, or a "grifter".
The shell game dates back at least to Ancient Greece.
A confidence trick is also known as a con game, a finesse, a con, a scam, a grift, a hustle, a bunko (or bunco), a swindle, a flimflam, a gaffle, or a bamboozle.
The intended victims are known as
marks, suckers, stooges, mugs, rubes, or gulls (from the word gullible).
When accomplices are employed, they are known as shills.