How does hate work? One answer is that the poor person (or the Jew, or the Asian, or the Native American, or whoever) becomes, intellectually, linguistically, and emotionally, a lessperson, and then a nonperson.
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