Answer:
A character foil is a character who acts as a contrast by highlighting one of another character’s qualities.
Step-by-step explanation:
A character who exhibits opposing or conflicting traits for another character is called foil. The foil characters may be antagonistic, but not always. Usually, the foils will present a gende contrast 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!