Who is Sauron?

do you know the origin of the evil Lord Sauron he was one of the originally inor these inor were Spirits created from the thoughts of aatar and participated in the great music of the inure at the beginning of creation Sauron was also called myON meaning admirable Sauron once followed oay and became a learned one among the myar and learned superb craftsmanship from there however at the beginning of the creation of Arda morgoth lured him to join his Camp Sauron thus fell and became morgoth's Deputy obtaining the power to command The Fortress of band and its defender in the second age after morgoth was overthrown Sauron reappeared in Middle Earth he helped the elves of Arion Forge 19 rings of Power with a benevolent appearance but secretly forged the powerful one ring in Mordor however his conspiracy was soon detected by the elves leading to the 1200e war of the elves in Sauron in the third Age sauron's spirit took form and occupied DOL gulur on the border of thranduil's territory