Hospitality is sacred. The host must not harm the guest, the guest must not harm the host, and not offering in the first place is a serious affront. In Ancient Greek, hospitality was called xenia and was sacred; Zeus was called Zeus Xenios in his function as god and guarantor of hospitality and protectors of guests. May be the Good Old Ways, practiced in Arcadia and by the Noble Savage. Tastes Like Friendship is closely related. The host/guest bond may in fact be triggered by their eating salt together. Examples of Sacred Hospitality include: