Karl Marx is an influential political philosopher who developed the concept of communism. He believed in the idea of a classless society where everyone would have equal opportunities. Some synonyms for Karl Marx include Marxist, communist, socialist, theoretician, philosopher, economist, and revolutionary. These terms are often used to describe Marx's ideas and his impact on political thought. Marx's theories have been lauded by many as a blueprint for a fair and just society, while at the same time being criticized by others for their perceived impracticality. Despite the controversy surrounding his work, Karl Marx remains an icon in the world of political philosophy.