Answer:
The faster you run, the harder it is to catch me. What am I?
I tremble at each breath of air and yet can heaviest burdens bear.
I am an activity involving pins flying in the air.
I am easy to see, but no one likes looking at me. Without me, there would be no you. What am I?
I mirror your actions.
If you can spot one of these eastern warriors, it means they're not doing their job right.