Answer:
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
Lighter than feather and softer than silk, yet the strongest man in the world cannot hold me for more than a few minutes. What am I?
I go around and in the house but never touches the house
I am easy to waste and unstoppable. What am I?
I wear a red robe, with staff in hand and a stone in my throat. What am I?
A little house full of meat, no door to go in and eat.