When was a time where Kambili questioned her fathers beliefs or authority?

Aunty Ifeoma encourages Kambili to reconsider her stance on Papa-Nnukwu. As she has been taught by Papa, her grandfather is a heathen. But when she searches his face, she sees no signs of godliness. After witnessing his innocence ritual, Kambili questions the absolute rule of her father. Both Kambili and Jaja take major steps towards adulthood by claiming their individuality.