Definition from Wiktionary, the free dictionary
See also: Unperson
un- + person. From the synthetic language "newspeak" in George Orwell's novel Nineteen Eighty-Four (1949), where it refers to a person who has not only been executed but whose entire history has been erased.
- A human who has been stripped of rights, identity or humanity.
- With his identity stolen he became an unperson unable to prove his existence to the government.