The term ‘Aryan’ means ‘noble’. It was used as a self designation by Indo-Iranian people. It was used in vedic period i India as an ethnic label for themselves as well as to refer noble class.
Chandragupta Maurya was the founder of the Mauryan empire. In Greek and Latin accounts he is also mentioned as Sandrocuttos. It is believed that Chandragupta Maurya adopted Jainism and became an ascetic under the Jain saint Bhadrabahu.