1) Debasement 2) Degradation 3) Dehumanisation 1) Dehumanisation 
Dehumanization or dehumanisation describes the denial of `humanness” to others and is theorized to take on two forms: animalistic dehumanization, which is employed on a largely intergroup basis, and mechanistic dehumanization, which is employed on a largely interpersonal basis. Dehumanization can occur discursively (e.g., idiomatic language th.....
Loss of human characteristics; brutalization by either mental or physical means; stripping one of self-esteem. ... Origin: de-+ humanus, human, fr. Homo, man ... (05 Mar 2000) ... 
Type: Term Pronunciation: dē-hyū′măn-i-zā′shŭn Definitions: 1. Loss of human characteristics; brutalization by either mental or physical means; stripping one of self-esteem.
[n] - the act of degrading people with respect to their best qualities
dehumanisation noun the act of degrading people with respect to their best qualities; `science has been blamed for the dehumanization of modern life`