An illustrator is someone who draws pictures and illustrations for books, magazines, and other publications. An author is the writer of the book or story.
According to the National Board of Art and Design, an illustrator makes an average wage of $48,000 per year.
No, an illustrator is not the same as a publisher. An illustrator creates illustrations for books and magazines, while a publisher publishes the text of those illustrations.
Illustrators who illustrate books for publication generally receive royalties from the publisher. However, some illustrators may not receive royalties if their illustrations are used in a book that is not published by the publisher.