"so you're a princess who's come to be a peasant? where's all your finery?" esperanz stared at her and said nothing. "whats the matter, silver spoon stuck in your mouth?" her voice was smart and biting" what do these lines convey about this new character?

Marta is a teenage girl who lives in an adjacent camp with her mother, Ava. Marta fights for the rights of migrant workers and organizes a strike. She often mocks Esperanza for her privileged upbringing and lack of experience doing manual labor. When immigration officials break up the strike, however, Esperanza helps Marta hide.