All these made us discard our initial impression of him as a 'malevalent phamtom'. Instead, we realise that we pity him in his plight, having been ostracised by society becos he doesnt conform. This thus adds to the symbol of the mockingbird as he is one of the crucial person in bringing it out. .
Dolphus Raymond -- marries a coloured woman, "breaks" societal rules. At first, Scout describes him as an 'evil man' whom she should get near. But on learning more abt him, we again realise that he is a mockingbird (victim) becos he merely drinks so as to give the society an excuse for his marriage to a coloured woman. This time round, we see again that he is the symbol of mockingbird as he represents the innocent being harmed. Even his children were affected. "The whites wun have anything to do with them becos they are coloured. The coloured folks wun have anything to do with them becos they are half-white." .
Tom Robinson -- another person who is a mockingbird. Helped Mayella out of good will and yet is accused to have raped her. During the trials, we also realise that his manners is 'as good as Atticus'. In the end, he's given an unjust verdict, later shot 17 times and died. .
Through these characterization, Harper shows the goodness in these 3 pple who are victimised by society. .
2) Through theme of prejudice .
The one main reason for the symbol of mockingbird is actually due to prejudice. The people of Maycomb is described as people who are highly prejudiced, they have a caste system and most whites believe that they are superior. Through the portrayal of this theme, the symbol of mockingbird shines out as mockingbirds and prejudiced people are actually contrasting opposites of each other. .
For e.g. through portrayal of Bob Ewell who though is 'thrash' as described by Atticus and his family has been the 'disgrace of Maycomb for generations', we realise that although he is such a lousy person, he still thinks he is superior to the Blacks (T.