I found this in a TED-Ed video
In the wake of such tragedy, it’s tempting to paint conflicts in simplistic terms—casting one group as oppressor and the other as oppressed.
I’m wondering why it’s OK to use the words oppressor and oppressed in these “bare” forms when they are not titles, and especially, the latter is not even a noun.
I would expect it to be:
In the wake of such tragedy, it’s tempting to paint conflicts in simplistic terms—casting one group as oppressors and the other as the oppressed.
Does these two contrasting words being used in a pair have anything to do with it?