Ishmael vs Harijan

Ishmael and Harijan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ishmael	Yes	No	No	No
Harijan	Yes	No	No	No

As nouns, Harijan is a hyponym of Ishmael; that is, Harijan is a word with a more specific, narrower meaning than Ishmael:

Other hyponyms of Ishmael include heretic, misbeliever, religious outcast, leper, untouchable.

Ishmael (noun)	Harijan (noun)
(Old Testament) the son of Abraham who was cast out after the birth of Isaac; considered the forebear of 12 Arabian tribes	belongs to lowest social and ritual class in India
a person who is rejected (from society or home)