fellow

Concise Oxford English Dictionary © 2008 Oxford University Press:
fellow/ˈfeləʊ/

▶noun

• 1 a man or boy.

• 2 a person in the same position or otherwise associated with another.

  ■ a thing of the same kind as or otherwise associated with another.

• 3 a member of a learned society.

  ■ Brit. an incorporated senior member of a college.

  ■ (also research fellow) an elected graduate receiving a stipend for a period of research.

  ■ a member of the governing body in some universities.

▶adjective sharing a particular activity, quality, or condition: a fellow sufferer.

– origin OE fēolaga ‘a colleague’ (lit. ‘one who lays down money in a joint enterprise’), from ON félagi, from fé ‘property, money’ + the Gmc base of lay1.