The prophet Zechariah, who wrote in the late sixth century B.C.E., had a vision of the high priest Joshua with “Satan standing at his right hand in order to resist him.

(Zechariah 3:1,

¹² Thus, by the time of Zechariah, holy spirit was letting Satan’s role become clearer in the Scriptures. But another five centuries would pass before this evil creature would be totally exposed in the Word of God.