imposter

As nouns the difference between swindler and imposter

is that swindler is a person who swindles, cheats or defrauds while imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise.

As nouns the difference between betrayer and imposter

is that betrayer is someone who betrays, or reveals confidential information; a squealer or informer while imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise.

As nouns the difference between imposter and fraudster

is that imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise while fraudster is a person who practices fraud; a swindler.

As nouns the difference between imposter and phony

is that imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise while phony is a person who assumes an identity or quality other than their own.

As an adjective phony is

fraudulent; fake; having a misleading appearance.

As a noun imposter

is someone who attempts to deceive by using an assumed name or identity or other devious disguise.

As a verb impersonate is

to pretend to be (a different person), to assume the identity of.

As nouns the difference between imposter and countenance

is that imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise while countenance is appearance, especially the features and expression of the face.

As a verb countenance is

to tolerate, support, sanction, patronise or approve of something.

As nouns the difference between proxy and imposter

is that proxy is an agent or substitute authorized to act for another person while imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise.

As an adjective proxy

is used as a proxy or acting as a proxy.

As a verb proxy

is to serve as a proxy for.

As nouns the difference between imposter and knave

is that imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise while knave is a boy; especially, a boy servant.

As a verb impose

is to establish or apply by authority.

As a noun imposter is

someone who attempts to deceive by using an assumed name or identity or other devious disguise.

As nouns the difference between imposter and quack

is that imposter is someone who attempts to deceive by using an assumed name or identity or other devious disguise while quack is the sound made by a duck or quack can be a fraudulent healer or incompetent professional, especially a doctor of medicine; an impostor who claims to have qualifications to practice medicine.

As a verb quack is

to make a noise like a duck or quack can be to practice or commit quackery.

As an adjective quack is

falsely presented as having medicinal powers.