Odysseus bares the responsabiliza of leading men in a dangerous journey with the guidance of the gods. Those are certainly the premise of a hero. A hero doesn't always have to be strong, but they have to have that something that makes them different and important in the story. Being the leader is certainly that quality since he also had many warriors. Being guided by the gods through the seas in certainly a characteristic of an epic heroic adventure.
Poetry is a type of literature that conveys a thought, describes a scene or a story in a concentrated lyrical arrangement of words. Poems can be structured with rhyming lines and meter, the rhythm and emphasis of a line based on syllabic beats. Poems can also be freeform, which follows no formal structure.