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]
(..) Spartan valor and fighting skill. You will make a mighty ally. Yield, Leonidas. Use your reason. Think of your men. I beg you. Listen to your fellow Greek. He can attest to the divine one's generosity. Despite your several insults, despite your horrid blasphemies... ...the lord of hosts (..)2006 300
(..) The Spartans, too... ...were cruel to reject you. But I am kind. Everything you could ever desire... ...every happiness you can imagine... ...every pleasure your fellow Greeks and your false gods have denied you... ...I will grant you. For I am kind. Embrace me as your king and as your god. (..)2006 300