Who is Lord Golden, The Fool from The Golden Fool and what is their importance?

Lord Golden is a royal in Buckkeep Castle. He dresses meticulously and takes pride in his looks. He knows Tom's true identity. Golden's true identity is that he is a court jester. Golden is Tom's true friend, but he is in love with Tom. Golden is gay. He becomes a drinker and gambler. He has the same tattoos as the Narcheska. He is a White Prophet.