you were a loyal general to Sauron and served him faithfully for years you were debatably one of his best generals to, after his defeat you would hold a coup and make yourself king, with Sauron defeat the world found taking you down was not necessary and they allow you to keep ruling in return for peace. As you sit the throne of Mordor boldly wearing Saurons armor itself to show your the boss now some dust starts to pick up and a figure appears

Look at you....Traitor