The word "oppression" refers to the act of treating someone unfairly or cruelly, usually by those in power. It can involve exerting control, limiting rights, or causing suffering to keep others down. Full definition
Rather, conventional acts of violence became ingredient to his personal biography and reflected the larger, complex system of oppression of which he was but a part. (religion-online.org)
We are those who can no longer abide the death of oppression in which all people are victims, because we know what has happened to us. (religion-online.org)
We want a government that will increase human rights education and help to make human rights a tool in protecting people from oppression and discrimination. (politics.co.uk)