Answer:
tom Robinson
Explanation:
Mocking birds are innocent creatures, they try to live their lives causing no harm. It's a sin to kill a mockingbird as Atticus puts it. Tom Robinson was our mockingbird for this story, he was killed by the people around him, being wrongfully accused of a crime he didn't commit.
The significance of Gatsby's grudge was that there are different kinds of perspective towards love. The love between the other party was just plainly for lust while their love is platonic. This means that love isn't just about crashing of two bodies but to care and to respect the person is what meant for love.