How did Athenian citizen males define themselves against others?

How did Athenian citizen males define themselves against others?
Discuss in regard to two of the following: women; sexuality; barbarians; social class; slaves.

You should incorporate both textual and material evidence in your answer. You are encouraged to refer to and include illustrations (cite their sources) in your essay where appropriate. Illustrations are not included in the word count. Your lecture and tutorial notes and the tutorial bibliographies provide your starting point for this essay; additional reading will be provided, but you should do your own research also.