Con artist and Four-flusher

Con artist noun - A swindler who exploits the confidence of his victim.

Four-flusher and con artist are semantically related In some cases you can use "Four-flusher" instead a noun phrase "Con artist".

Four-flusher noun - A person who tries to bluff other people.

Con artist and four-flusher are semantically related in hypocrite topic. Sometimes you can use "Con artist" instead a noun phrase "Four-flusher", if it concerns topics such as person pretending to be something else, person who pretends to be an expert, is deceitful, person who cheats another.