Answer:
What is the freedom of birds and the pen of old men?
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
He has married many women, but has never been married. Who is he?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.