zeal

Zelos was the god of zeal or great enthusiasm. He was the brother of Nike, the winged goddess of victory, and it seems appropriate that they go together. After all, how can you win at something if you don't give it your enthusiasm?

Look here for a definition of zeal.

Which of the following activities best shows zeal?

painting your face in your team's colors
yawning during a conversation
babysitting your annoying little brother because your mother is paying you