A professional writer who is paid to write material that is officially credited to another person; one who writes on behalf of someone else, often for a celebrity.
Smith was listed as the author of his autobiography, but a ghostwriter did most of the work.
A person employed to write letters for illiterate people; a person who does this as an occupation.
A correspondent; a writer of letters.
A book containing examples of letters that can be imitated by those who wish to write correspondence.