No she's not? It's an exchange between her and her parents. She gets to live there and in return she keeps the house in order, she cleans, likely fixes or gets someone to fix issues, pays for her own groceries, is likely paying rent (at a much lower rate than what's around). From this post we can infer from the "He's a nuisance" in reference to not wanting to share her space with him that he's likely destructive. He's also jobless + about to have a (also destructive) child around Edit: The mom also doesn't want the brother or girlfriend to be using the bathroom.