It is the conflict theorist and structural functionalists.
Conflict theory is a hypothesis propounded by Karl Marx that cases society is in a condition of ceaseless clash because of rivalry for constrained assets. It holds that social request is kept up by mastery and power, instead of accord and similarity.
Structural Functionalism is a sociological hypothesis that endeavors to clarify why society works the way it does by concentrating on the connections between the different social organizations that make up society.