Pejorative Piece

Pejorative- word or phrase pejorative if it is used as a disapproving expression or a term of abuse. Tree-hugger is a pejorative term for an environmentalist

Hun-member of a nomadic people who invaded Europe in the 4th century   
offensive term for a person of German descent

Vandal-A vandal is someone who harms or destroys other people's property. Someone who paints graffiti on your door is a vandal.

Mongol-A member of the Mongolian people of central Asia who invaded Russia in the 13th century

Barbarian is an insulting word for a person from an uncivilized culture or a person with no manners.

Tree Hugger-Is an pejorative way of of calling environmentalist.

Retarded-Retarded is a word to describe someone who is mentally slow. This is a medical word that spread to slang, and is today considered very insulting and inappropriate.

https://en.m.wikipedia.org/wiki/Category:Pejorative_terms_for_people

Many pejorative words are also sexist against women. Like a witch is thought bad a wizard is thought good.

Why might this be:

That men have more rights then women. Because in the olden days men had more rights then women.