To draw attention to the gentle personality of the main character, the writer added a foil.
Foils are used in all types of literature. A character who exhibits opposing or conflicting traits for another character is called foil. The characters in the foil may be antagonistic, but not always. Sometimes the foils will even be other characters next to the protagonist. When an author uses a foil, he wants to make sure the reader is capturing important attributes and characteristics of a main character. For this reason, foils are important to observe
Actually, the answer is "foil." A literary foil is a character who has qualities that contrast with another character, usually the protagonist, to highlight that character's traits.
