(1):

(n.) A man, irrespective of condition; - used esp. in the plural (= citizens; people), in addressing men in popular assemblies, etc.

(2):

(n.) A man well born; one of good family; one above the condition of a yeoman.

(3):

(n.) The servant of a man of rank.

(4):

(n.) One who bears arms, but has no title.

(5):

(n.) One of gentle or refined manners; a well-bred man.