At the end of Season 1, three cultists tracked down the Stranger in the forest, believing him to be Sauron reincarnated. Of course, they are wrong: Galadriel's friend (and potential love interest) ...
Like Satan, who was once an angel known as Lucifer, Sauron was originally an angelic being himself called Mairon. As one of the Maiar (the race of immortal spirits from which Gandalf also derives), he ...