Answer:
I am heavy forward, but backward I'm not. What am I?
In wealth I abound; in water I stand; as a fencer I'm valued all over the land; at Venice I'm famous; by farmers I'm prized; respected by law yet huntsmen despised; consternation and ruin ensue when I break; And the beasts of the forest advantage won't take.
I am the state when a person is holding a person inside
I can run but not walk. Wherever I go thought follows close behind.
What has many keys but can't open a single lock?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.