Although in everyday usage social justice is a rather vague term (and a compliment or pejorative, depending on who is speaking), there is actually a well-developed body of thought on social justice within the framework of the philosophy of Aristotle and Aquinas:
CLICK ON THE TEXT, NOT THE PHOTO
You have to click on the link below to get to the video, not on the photo.
(The text right above is what you're supposed to click on.)
And, in case you missed one of the exciting past episodes, here is the link to the entire series:
Socialism, Modernism and the New Age
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