From what I recall, theoretically, and perhaps actually in the very distant past, caste was not hereditary. You gained your caste by your own actions. If you be

From what I recall, theoretically, and perhaps actually in the very distant past, caste was not hereditary. You gained your caste by your own actions. If you became a Hindu priest, and acted as a good one, you'd be a Brahmin by your acts. Things obviously changed.