a teaching/research 'fellow' [=a graduate student who gets money in exchange for teaching/research]
He attended the concert with a 'fellow' student. [=someone who is a student, as he is]
He has always tried to be of service to 'his fellow man'. [=to other people]
(..) so I should just change. (SIGHS) So, uh... you're a survivor yourself, huh? Yeah. I didn't cut this fellow off for the hell of it. (GUS CHUCKLES) GUS: Although it does make an excellent weight-loss strategy. Legs are very heavy. (..)2014 The Fault in Our Stars
(..) Yes, and the Dutch Tulip Man. And Sisyphus the Hamster. Yes! (GRUNTS) Have you tried contacting this Peter Van Houten fellow? I've written him so many letters, but he's never responded. Apparently, he moved to Amsterdam (..)2014 The Fault in Our Stars