Fellow n. : A companion; a comrade; an associate; a partner; a sharer.

Fellow n. : A man without good breeding or worth; an ignoble or mean man.

Fellow n. : An equal in power, rank, character, etc.

Fellow n. : One of a pair, or of two things used together or suited to each other; a mate; the male.

Fellow n. : A person; an individual.

Fellow n. : In the English universities, a scholar who is appointed to a foundation called a fellowship, which gives a title to certain perquisites and privileges.

Fellow n. : In an American college or university, a member of the corporation which manages its business interests; also, a graduate appointed to a fellowship, who receives the income of the foundation.

Fellow n. : A member of a literary or scientific society; as, a Fellow of the Royal Society.

Fellow v. t. : To suit with; to pair with; to match.

Example:
Fellow actors and actresses: What is a good way to make "stage kisses" (in plays) less awkward?

Taxonomy
college, Research fellow, Teaching fellow, fellowship, Cambridge, Governing Body, free encyclopedia, Academia, Honorary fellow, Oxford Colleges, professional societies, academics, honour, retirement, university institution, researchers, salaries, Oxford.

Defination from the web:
fellow is also used to describe a person, particularly by those in the upper social classes. ... In the context of graduate school in the United States and Canada, a fellow is a recipient of a fellowship. ...