A funny thing is that the Greeks were also extremely protective of xenoi, seeing it as one of the highest possible duties. https://en.wikipedia.org/wiki/Xenia_

A funny thing is that the Greeks were also extremely protective of xenoi, seeing it as one of the highest possible duties. https://en.wikipedia.org/wiki/Xenia_(Greek) https://en.wikipedia.org/wiki/Xenia_(Greek) https://en.wikipedia.org/wiki/Xenos_(Greek) https://en.wikipedia.org/wiki/Xenos_(Greek) But as the article notes, it seems like this goes to some very different meanings of xenos!