用50个以上的英语单词回答这个问题：how does PIp's character develop in Great

前几天刚刚在看这本书.
Pip is an orphaned boy raised by his domineering sister and her kind husband,and his life and expectations make for the drama of the novel.A mysterious benefactor enables Pip to escape a destiny as the village blacksmith,and he travels to London as a teenager to become a 'gentleman.' Pip's perception of his life and prospects (especially his prospects with Estella) change dramatically when he's twenty-three,when he learns that his benefactor is not a rich old lady,but a common convict.Ultimately,Pip comes to appreciate the convict as a benefactor and a friend.