I don't think there is another way to say we rose up.
First become friends with them. Then gain their trust by never lying to them.
Henry's charactrization by the author in Red Badge of Courage is done through the thoughts Henry has. He is always referred to as "the Youth," and what he feels and thinks is narrated, unless he is engaged directly in a dialogue. He is the main character of the book and the novel tells his growth from an immature teenager to a war-weary adult.