con artist; swindler who uses false stories
A swindler who deceives victims by spinning elaborate false narratives, rather than simple lies.
He was tricked by a con artist and lost a large sum of money.
That con artist gains the victim's trust with skillful storytelling.
Compound of 詐 (lie, deceive), 話 (story, talk), and 師 (master, specialist). The exact origin is uncertain, but it likely emerged as a descriptive term for a type of con artist who relies on storytelling.