illustrator
//ˈɪləˌstreɪtər//
Noun
illustratorSingular
illustratorsPlural
1
A person who creates pictures, drawings, or diagrams for books, magazines, advertisements, or other publications.
The illustrator created beautiful drawings for the children's book.
2
Someone or something that serves to explain, clarify, or demonstrate a concept or idea.
This chart is a good illustrator of the company's growth over the past decade.