THE HIDDEN ONTOLOGY HISTORY & METAPHYSICS OF MANKIND.
According to dictionary.com the word mankind means; "the human race," c.1300, earlier man-kende (early 13c.), from man (n.) + kind (n.). Replaced Old English mancynn "human race." Also used occasionally in Middle English for "male persons" (late 14c.), but otherwise preserving the original gender neutrality of man (n.). For "menfolk, the male sex," menkind (late 14c.) and menskind (1590s) have been used.
SO MANKIND MEANS CLASS OR VARIETY OF HUMAN BEINGS!
How many classes are varieties are there?
Let's find out!