However, the word itself can be interpreted to mean different things based upon context, author and period of writing/speaking, signifying such divergent concepts as 'enemy' or 'stranger', a particular hostile interpretation, all the way to 'guest friend', one of the most hallowed concepts in the cultural rules of Greek hospitality.
The word itself can be understood differently based on its usage, who is using it, and when it was used. It can signify things like an enemy or stranger, but also a hostile interpretation, or even a guest friend, which is a highly valued concept in Greek hospitality.