Answer:
What force and strength cannot get through. I, with a gentle touch, can do. Many in the street would stand. Were I not a friend at hand.
What is it that given one, you’ll have either two or none?
What word is the same written forward, backward and upside down?
If I have it, I don't share it. If I share it, I don't have it. What is it?
My first is in fish but no in snail. My second is in rabbit but no in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
People take me on walks and I run and have fun. What am I?