Explanation:
was the only one present who had said nothing. For some time he had sat silent beside Bilbo's empty chair, and ignored all remarks and questions. He had enjoyed the joke, of course, even though he had been in the know.
I think it was William. Hope this helps. :)
Answer:
"Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armour yourself in it, and it will never be used to hurt you.”