protagonist
The protagonist is the main character or hero of the story. This person is the central focus of the story and the one who is most affected by the main conflict of the story. For example the protagonist in "Little Red Riding Hood" is "Little Red Riding Hood". The entire story revolves around her journey to her grandmother's house and her suspicions about her grandmother's appearance. The antagonist in a story is the character or thing that goes against the protagonist. Ant- is a common prefix that means against. In "Little Red Riding Hood" the antagonist of the story is the wolf as he is preventing Red Riding Hood from seeing her grandmother.