Answer
The answer is Kawād. Kawād was the middle Persian name for Khosrow I, a Sasanian king who ruled Iran from 531 to 579 AD. Khosrow I, also known as Khosrau Anushirvan, is regarded as one of the most influential and successful rulers in Iranian history. He is renowned for his military conquests, administrative reforms, and patronage of art, literature, and philosophy, earning him the title "the Just".