Answer:
I jump when I walk and sit when I stand.
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?
My head bobs lazily in the sun. You think I'm cute, for my face is yellow, my hair is white and my body is green. What am I?
I may only be given but never bought. Sinners seek me but saints do not. (one word).
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I always have to work with something in my eye. What am I?