Answer:
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
What word when read from left to right is a ruler, but when read from right to left is a servant?
Angels and pilots work with me.
I turn everything around, but I cannot move. When you see me, you see you! What am I?
With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?
Ripped from my ancestors home beaten and burned I become a bloodthirsty killer.