The priestly class of indian society was the vaisyas. brahmans. sudras. kshatriyas.

Brahman, also known as Brahmin, are the priests and teachers of Hindu society. They were responsible for tending to the temples and to keeping sacred knowledge. The first Prime Minister of modern India Jawaharlal Nehru was part of the Brahman Caste.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.