As nouns the difference between impostor and treacher
is that impostor is someone who attempts to deceive by using an assumed name or identity while treacher is a traitor or deceiver.
impostor
Alternative forms
* imposter
* impostour (obsolete)
Noun
(
en noun)
Someone who attempts to deceive by using an assumed name or identity.
*
Synonyms
* impersonator
* See also
treacher
English
Noun
(
en noun)
A traitor or deceiver.
Related terms
* (l)
* (l)