Middle Earth/Saruman

Saruman the White is a fictional character from the Lord of the Rings trilogy, who dwells in Isengard?. He was the leader of the [Council of Wizards]? and very powerful. He studied extensively the lore of the Rings. He was enslaved to Sauron? when he looked in the Palantir?. Saruman is a minor character in the Lord of the Rings trilogy, having a bit part in [Book 3]?.