was a Deylamite spahbod
(commander) in the service of the Sassanid Empire
of Persia (Iran)
. He was the head of a small expeditionary force of low ranking Azatan (Azadan)
nobility numbering around 700 sent by Khosrau I
to help repel the invading Ethiopians
. Vahriz was successful in expelling the invading Ethiopians from Yemen. He then resided there as the Persian governor of Yemen. Yemen became a vassal state of the Sassanids until the arrival of Islam.