Answer:
The eight of us move forth and back. To protect our king from the foes attack.
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
What is the heart of many risks, has a heart, but is not a living being?
What tastes better than it smells?
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
Why was the cook arrested?