How is Derry’s and Mr. Lamb’s behavior and attitude different towards people because of their physical impairment?

because of physically impaired,both of them had different attitudes over people.derry as a result of excess of humiliation from people,hated them a lot and dont care for them.while mr lamb was a quite cheerful and calm as well as happy man.he welcomed all those whom he dont know and tobthse childerns also who critisize him as lamey lamb.