Caroline Bankole is Big Madam’s best friend. She is the wife of a rich oil businessman. Caroline is having an affair with Big Daddy, which Big Madam discovers at the end of the novel. The affair leads Big Madam to kick Big Daddy out of the house. Caroline has an unusually friendly relationship with her housemaid, Chisom, giving Chisom food, nice clothes, and telling her secrets in exchange for her discretion.