This is most evidenced when analyzing Sauron's first form — Mairon, the Maiar. Before Sauron was ever a Dark Lord and embodiment of wickedness, his original form was a Maiar associated with Aule ...

In what Tolkien describes in The Silmarillion as the Days Before Days, Sauron’s first name was Mairon. The future Lord of the Rings was described as good and noble, particularly fond of order ...