Plural-only noun, usually with the definite article (the dispossessed) meaning people who have been deprived of property, rights, or security.
Definitions
People who have been deprived of their homes, land, or other possessions. International aid was sent to help the dispossessed after the war.
Synonyms
the deprived
the homeless
the landless
the disenfranchised
the outcasts
the poor
the destitute
the uprooted
the marginalized
the exiled