An Essayist is a person who writes essays.
I'm guessing a famous author? Or, are you looking for the word prolific?
Usually we call them "Author". Occasionally a female author will be called an "authoress".
a journalist
An author.
A novelist.
An author.
A poet is someone who writes poetry.
Author
author or a writer :)
Cartoonist
You're probably referring to the scribe who hand-writes on parchment. That is a Sofer. Whereas someone who publishes in the usual way, such as those who write and publish their Torah-thoughts, are called a Mechaber.
A person who writes books is called an author.
Cartoonist
a reporter...
A jingler
lawyer
A person who writes newspaper articles is called a journalist or a reporter.
An author is a person who writes and sells books.