Dhu Nuwas
Yūsuf Thū Nuwās, (Arabic: يوسف ذو نواس) (also Yūsuf As'ar Yath'ar (Saba'ic Y(w)s1f 's1'r Yṯ'r) or Dunaan,Syriac Masruq; Greek Dounaas (Δουναας)), was a Judaic warlord in Yemen between 517 to 525-27 AD.
Origins
Nuwās probably reflects a local clan name which in popular tradition was twisted into a cognomen bearing the meaning of "the one with the curls". His real name has been conjectured to be Zura b.Ḥassān. In the form Yūsuf As'ar Yath'ar, Yūsuf is a borrowing from Hebrew, while the penultimate and last names are cognomens, respectively meaning perhaps he who takes vengeance and he who remains.
One Syriac source appears to suggest that the mother of Dhū Nuwās may have been herself a Jew hailing from the Mesopotamian city of Nisibis. If so, this would place her origins within the Sassanid imperial sphere, and would illuminate possible political reasons for his later actions against the Christians of Arabia, who were natural allies of the Byzantine Empire. Many modern historians, though Christopher Haas is an exception, have argued that her son's conversion was a matter of tactical opportunism, since Judaism would have provided him with an ideological counterweight to the religion of his adversary, the Kingdom of Aksum, and also allowed him to curry favour with the Sassanid shahanshah.