Answer:
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 speak without a mouth and hear without ears. I have no body but I come alive with wind. What am I?
I jump when I walk and sit when I stand. What am I?
What gets bigger the more you take away?
Fatherless and motherless. I was born without sin. Roared when I came into the world, but I never spoke again. What am I?
No matter how little or how much you use me, you change me every month.