Who were called aristocrats in ancient Rome? What part did they take in the political and economic life of the republic?

In ancient Rome, representatives of the most ancient, noble and influential families were called aristocrats. Aristocrats (patricians) owned huge estates, which brought them considerable income. Also aristocrats were engaged in trade and development of minerals.

During the republic, it was the aristocrats who ruled the Roman state, pursuing domestic and foreign policy. They held the highest positions in the state, and also commanded legions and units. The rulers of the provinces were appointed from the aristocrats.