One of the most important themes in The Odyssey is the concept of xenia, which is the old Greek word for hospitality. In modern times, hospitality is something we rarely think of, and the first thing that comes to mind is the hotel industry, but in ancient Greece, xenia was not about hotels, or just about etiquette, it was a way of life with many benefits in a world that was still mostly savage. Xenia was more than just being polite to strangers. It was a set of rules and customs that defined the guest-host relationship between two individuals, two groups of people, or an individual and a group. Some basic rules of this relationship were that the guest could not insult the host, make demands, or refuse xenia. Additionally, the host could not insult the guest, fail to protect the guest, or fail to be as hospitable as possible. A certain level of trust would eventually have to be established. This trust was reinforced by both fear of word getting out that the host had provided improper xenia, and fear of retribution by the gods, since one never knew when a traveller might actually be a god in disguise, come to test the level of your xenia. All travellers were seen as sent by Zeus and under his protection, so giving proper xenia was also a way of showing respect for the gods, especially Zeus.
The Odyssey by Homer may be viewed as a study in the laws of hospitality and is full of examples of both good and bad xenia, where good xenia is rewarded and bad xenia is punished. The idea of punishment and reward for how xenia is offered is seen throughout The Odyssey, examples being Odysseus’ encounter with the cyclops Polyphemus on his return to Ithaka and the eventual revenge against the suitors. The story relies so heavily on concepts of xenia that it can be argued that The Odyssey probably could not have been written without it in mind. Almost every encounter between characters gives us demonstrations of how