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]
(..) You know I do. Bring me with you. Let me fight for you. I can't. The dwarf told you to do this? No one tells me to do anything. Clever fellow. Can't argue with his logic. I'm no use to you over there. Don't get angry. I'm not angry. I'm full of self-pity. Who comes after you? (..)2016 TvShow: Game of Thrones Title: The Winds of Winter Season: 6 Episode 10