Answer:
I may only be given but never bought. Sinners seek me but saints do not. (one word).
A necessity to some a treasure to many I'm best enjoyed among pleasant company. Some like me hot some like me cold. Some prefer mild some like me bold.
What's full of holes but still holds water?
I have cities with no people forests with no trees and oceans with no water.
I think you live beneath a roof that is upheld by me; I think you seldom walk abroad but my fair form you see; I close you in on every side you very dwelling pave and probably I'll go with you At last into the grave.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.