(From L. oppressio, act and effect of oppressing, to exert pressure against something, to subject someone to excessive restraint, to the point of afflicting or tyrannizing them. This repugnant and widespread social phenomenon has deep historical roots and is manifested when persons or a privileged group appropriates the product of others’ labor, forcing them to serve, to fulfill their wishes. O. is a product of violence. There is family, gender, racial, national, religious, class o., etc. Since ancient times, the human being has struggled against all the forms of o. Humanism from its beginnings has condemned o. and inspired to the defense of human dignity.