IPA: /ˈɪl.ə.streɪ.tər/
KK: /ˈɪl.ə.streɪ.tər/
A person who creates drawings or images, often for books, magazines, or other publications.
The illustrator brought the story to life with beautiful images.
Illustrator → It is formed from "illustrare" (meaning to make clear or to light up) and "-or" (meaning one who). An illustrator is one who makes things clear or brings them to light through images or drawings.
Think of someone who 'makes clear' ('illustrare') ideas through pictures — that's what an illustrator does.