Tom vs Black person

Tom and Black person both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tom	Yes	No	No	No
Black person	Yes	No	No	No

As nouns, Black person is a hypernym of Tom; that is, Black person is a word with a broader meaning than Tom:

Tom: (ethnic slur) offensive and derogatory name for a Black man who is abjectly servile and deferential to Whites
Black person: a person with dark skin who comes from Africa (or whose ancestors came from Africa)

Other hypernyms of Tom include African-American, Black, Negro, Negroid, blackamoor.

Tom (noun)	Black person (noun)
(ethnic slur) offensive and derogatory name for a Black man who is abjectly servile and deferential to Whites	a person with dark skin who comes from Africa (or whose ancestors came from Africa)