9. Indo-European Migrations The Aryan Caste System According to Indian tradition, the four major castes emerged from the mouth, arms, legs, and feet of Perusha (the first human being). Perusha is identified with the creator god Brahma. MOUTH Brahmins (priests) ARMS Kshatriyas (rulers and warriors) FEET Shudras (laborers) LEGS Vaishyas (peasants and traders)