From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( n.) One who is engaged in literary composition as a profession; an author; as, a writer of novels.

(2): ( n.) A clerk of a certain rank in the service of the late East India Company, who, after serving a certain number of years, became a factor.

(3): ( n.) One who writes, or has written; a scribe; a clerk.

King James Dictionary [2]

Writer, n.

1. One who writes or has written. 2. An author. 3. A clerk or amanuensis.

Writer of the tallies, an officer of the exchequer of England a clerk to the auditor of the receipt, who writes upon the tallies the whole of the tellers bills.