Ashtat Yeztayar was an Iranian military officer under what last great king of the Sasanian Empire, reigning from 590 to 628?
Khosrow II Khosrow II (Chosroes II in classical sources; Middle Persian: "Husrō(y)"), entitled "Aparvēz" ("The Victorious"), also Khusraw Parvēz (New Persian: خسرو پرویز ), was the last great king of the Sasanian Empire, reigning from 590 to 628.
Mazdak Mazdak (Middle Persian: ) (died c. 524 or 528) (also Mazdak the Younger) was a Zoroastrian "mobad" (priest), Iranian reformer, prophet and religious activist who gained influence during the reign of the Sasanian emperor Kavadh I. He claimed to be a prophet of Ahura Mazda and instituted communal possessions and social welfare programs. He has been seen as a proto-socialist.