1984 and animal farm - George Orwell
I know why the caged bird sings - maya angelou
Games people play - Eric Berne
Affluenza - de Graaf, Wann and naylor
Profit over people - Noam Chomsky - he’ll read as much Chomsky as possible!
The Bible or any comparable scripture from another faith such as the Koran or Torah. I say this as an agnostic, because so much of the world's culture and knowledge is founded on ancient scriptures - of course, if your DC have a religious faith, such reading might also bring spiritual benefits. was going to put something very similar myself, whatever their religious or spiritual perspective I would say it's good to read at least 2 of the main texts of the most prominent religions
Dante’s divine comedy
Faust - Goethe
Frankenstein - Shelley
A modest proposal and gullivers travels - swift
Pride and prejudice - Jane Austen
Jane eyre - Charlotte Brontë
Dubliners or a portrait of the artist as a young man - Joyce
But generally speaking steer him away from mostly reading books by privileged white men!
This is tough to do especially with older books as it was so much harder for anyone else to be published then.