Tita's teacher, John Brown, is a significant character in the novel "Like Water for Chocolate" by Laura Esquivel. He is important to the story because he serves as a catalyst for Tita's growth and development, both as a cook and as a person.
John Brown is an American doctor who comes to Mexico to work with the revolutionary army. He also happens to be Tita's love interest. When Tita meets John, she is initially shy and timid, but he encourages her to pursue her passion for cooking and to express herself more freely.
Under John's guidance, Tita becomes a more confident and skilled cook, and she also gains a deeper understanding of her own desires and emotions. He challenges her to think critically about her life and her relationships, and he supports her in her efforts to assert her independence.
Overall, John Brown is a significant character in "Like Water for Chocolate" because he helps Tita to break free from the restrictive cultural norms of her time and to discover her own voice and identity.