What is the main conflict in The Golden Goblet by Eloise Jarvis McGraw?

The Golden Goblet by Eloise Jarvis McGraw is a children’s novel that was published in 1961. Ranofer, a young boy in ancient Egypt, wants to become a master goldsmith like his father. His half-brother Gebu is tasked with the responsibility of taking care of him. He uses Ranofer for his own gain instead of helping him achieve his dreams. Ranofer finds the strength to break away from Gebu and works under the tutelage of Zau the Master to learn how to become a goldsmith.