Answer:
What is yours but only used by others?
You're currently trying to solve one
What can travel around the world while staying in a corner?
I call the trees my home, yet I never go inside, and if I ever fall off the tree I will be surely be dead.
It flavors your food and divides the year up. What is it?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.