Gender inequality refers to the unequal perception of an individual based on gender. It arises from socially constructed gender roles as well as biological characteristic. Gender role is a social and behavioural norm that is generally considered appropriate for either a man or a woman in a social setting or interpersonal relationships. Therefore in defining gender, sociologists distinguish it from biological sex. Sex refers to the biological characteristics such as physical differences between man and woman. Gender is a more complex term used by sociologists as regard to a socially constructed concept for instance how they are supposed to act in respect to their gender. In Yanomamo society, they adopt a system of patriarchal where men are the