Answer:
What relies on columns but isn't a house, and asks for help but can't speak itself?
A hill full, a hole full; yet you cannot catch a bowl full. What is it?
Some try to hide, some try to cheat. But time will show, we always will meet. Try as you might, to guess my name. I promise you'll know, when you I do claim.
A precious fluid, thicker than water.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
I can only be played on a windy day