Answer:
What word when read from left to right is a ruler, but when read from right to left is a servant?
What is the word that even in plain sight remains hidden?
What jumps when it walks, but sits when it stands?
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I flow from the Homerβs mouth when he sees doughnuts.