the fellow
Definitions
A man or boy, often used in a casual or informal context.
A person who is a member of a learned society or an academic institution.
A person who is a peer or associate in a specific group or organization.
Examples
The fellow sitting at the corner table has been reading that book for hours.
I believe the fellow who helped us with our luggage is the hotel manager.
Synonyms
the guy the man the chap the lad the gentleman the individual the male