Dominant group members tend to have better material comforts and more political freedom than minority groups. sociologists refer to this type of inequality as

The answer to the blank space is a term called relative deprivation.

Relative deprivation is a principle where individuals and groups lack resources to access the lifestyle and amenities that they are accustomed to or are approved by a society. It differs from absolute deprivation since the latter has a fixed definition as to what these individuals lack compared to most population on earth, not just the dominant group in a region.  

These two concepts are commonly associated with the principles of relative and absolute poverty – where the former will always occur as long as social inequalities remain the standard of living.

think its caste system

explanation: