He insisted on taking cases without pay so that he would be free to address the wider issues involved.
Reminds me of the show: One Dollar Lawyer^[[1] One Dollar Lawyer | TV Series |2022 | 1h 5m | Comedy, Crime, Drama | https://www.imdb.com/title/tt22248254/ | A story of a lawyer with unusual style who only charges 1,000 won (roughly 1 dollar) for his service to fight for clients that are up against the richest and most privileged.]