Explain how squeaky feels about her brother and her role in his life

Answer: See below.

Explanation:

Squeaky is very protective of her brother and is proud to stand up against people who hurt her brother, even if that is difficult for her.

Squeaky's commitment to protecting her brother is incredibly strong, even though some kids in her class judge her for doing so. Even with that, she keeps on spending time with Raymond, even going as far to recognize their similar passions in running.