Answer:
I may only be given but never bought. Sinners seek me but saints do not. (one word).
I am an activity involving pins flying in the air.
I am born in fear raised in truth and I come to my own in deed. When comes a time that I'm called forth I come to serve the cause of need.
You use a knife to slice my head and weep beside me when I am dead.
Sometimes I am white, sometimes I am dark. Most people love me. What am I?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?