Answer:
Four leaves I have.
Fatherless and Motherless, born without sin. Roared when it entered the world, And never spoke again.
I am as hard as metal, yet as flimsy as glass. I shine like a star, yet I am only a rock. What am I?
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
You throw me out when you use me and take me in when you are done. What am I?
You're gonna need a bigger boat to go after one of these toothy hunters.