Answer:
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
When I am caught I am thrown away. When I escape you itch all day.
You hear me speak, for I have a hard tongue. But I cannot breathe, for I have not a lung. What am I?
Every night I'm told what to do, and each morning I do what I'm told. But I still don't escape your scold. What am I?
Ripped from my ancestors home beaten and burned I become a bloodthirsty killer.