One shot at
I believe that Atticus is a strong moral character.He shows it by helping to develop good moral attitudes in his kids by encouraging them to seek to be a better person, to evade unnecessary conflict, and also to also be prepared to accept a conflict if it is needed to prove what is morally right, which displays that he is a moral character.
In page 133, after Mrs.Dubose insults Jem, Atticus advise “…You just hold your head up high and be a gentleman. Whatever she says to you, it’s your job not to let her make you mad”. In this part, Atticus was teaching them that they should just ignore things that other people say about them. By being able to keep a calm and cool demeanor around Bob Ewell.
In page 99