For the third labor, he must capture the Cretan Bull. The Cretan Bull is really the leader of a gang of marauders. Hercules, Linus, Chiron, and an army led by Nestor stand against the gang.
The third labor involves Hercules capturing the Cretan Bull, who is the leader of a band of marauders. This conflict involves Hercules, Linus, Chiron, and an army led by Nestor.