Ahindu living in an early indian society is born into the brahmin caste which these occupations is he most likely to pursue?

The question is asking "A hindu living in an early indian society is born into the Brahmin caste which these occupations is he most likely to pursue?" and another way of asking this question is "what occupation did the Brahmins have?" The answer is that they were priests, so the person would likely be a priest, for example they would learn and recite the Vedas, that is sacred Hindu verses