Thank you for your sharing your paper with us.
As I read your paper, I would like to suggest as a peer that in your intro, you could tell your audience about how and why the Athenians thought about their slaves as the levels of public sphere and private sphere. A little hint about these sphere while defining the slavery in Athens can catch audience attention.
Your thesis statement is good and be better if you tell about how slaves contributed to the polis like what they gave to the society and what they took back in return.
The body of your paper has solid evidences and is designed very well. But, there is a mistaken font that breaks the flow of your body, which is start to see a different life for slaves in classical Athens:
“Now