Discrimination is unfair treatment of one particular person or group of people. Learn how to file a discrimination complaint with the U.S. Department of Education's Office for Civil Rights.To "discriminate" against someone means to treat that person differently, or less favorably, for some reason. Conduct that may constitute harassment is described in the Definitions section. Sex discrimination includes sexual harassment and sexual violence. Retaliation is also illegal, and the law protects you if you stand up against discrimination. Amnesty International's work is rooted in the principle of non-discrimination. 1) Please fill out the complaint form, answering all of the questions.