Definitions for unpersonˈʌnˈpɜr sən
Random House Webster's College Dictionary
a public figure, esp. in a totalitarian country, who, for political or ideological reasons, is not recognized or mentioned by the government or the news media.
Origin of unperson:
un -1+person ; introduced in George Orwell's novel 1984 (1949)
a person regarded as nonexistent and having no rights; a person whose existence is systematically ignored (especially for ideological or political reasons)
"the former senator is treated as a nonperson by this administration"; "George Orwell predicted that political dissidents would be treated as unpersons"
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.