Who is Ekwefi and how does she anger Oknokwo?

Ekwefi is Okonkwo's second wife in Chinua Achebe's novel "Things Fall Apart." She angers Okonkwo by disobeying his orders not to participate in the Wrestling match for her daughter, Ezinma. Despite his wishes, she ignores Okonkwo's command and attends the match, leading to a heated argument between them.