The English term 'oppression' means 1: the state of being kept down by unjust use of force or authority:; 2: a feeling of being oppressed; 3: the act of subjugating by cruelty
Well, a typical "he" will be male. In human, this means that "he" will produce hormone testosterone and not estrogen which is what "she" will produce. Also, "he" will not have a mammary glands...