She sees her older brother as her 'protector'.
a 'protector' of free speech
ear 'protectors'
(..) the ones who value knowledge and logic They're all about kindness and harmony, always happy. They tell the truth, even when you wish they wouldn't. They're our protectors, our soldiers, our police. Come on, Beatrice. My father works alongside our leader, Marcus. It all works. (..)2014 Divergent