Got ya another did you know?! 😂 The Three Dvija Varnas (Castes) In traditional Hindu social structure, members of the three upper varnas are considered Dvija because of their spiritual initiation: Brahmins: The priestly and teaching class. Their second birth occurs when they are initiated to study the Vedas and perform rituals. Kshatriyas: The warrior and ruling class. Their spiritual birth traditionally begins when they are initiated into the study of statecraft and the use of arms. Vaishyas: The merchant and agricultural class. Their second birth begins when they take up trades, commerce, or agriculture