writer

noun

• A person who writes, or produces literary work.

  "Has your girlfriend written you another letter already? She’s quite a writer!"

• Anything that writes or produces output.
• The seller of an option.
• A clerk of a certain rank in the service of the East India Company, who, after serving a certain number of years, became a factor.
• An ordinary legal practitioner in Scottish country towns.
• A petty officer in the United States navy who keeps the watch-muster and other books of the ship.