what defines humanity

is humanity defined "against" those who are (in)human/e or(non-)human? what does it take to make someone "no longer human"? i'm still haunted by that one game dev who treated me like filth on the bottom of his shoe because in my heart i felt such resonance and HOPE, a rare and sightless hope, maybe because i was closing my eyes, just a glimmer of light and excitement for art in the fog... if you…