Why is digger resentful to the diangelo family?

Digger is resentful toward the DiAngelo family primarily due to their perceived privilege and the injustices he faces in contrast to their wealth and status. He feels that the DiAngelos represent a world of opportunity that is inaccessible to him, fueling his feelings of inadequacy and anger. This resentment is compounded by personal experiences and societal dynamics that highlight the disparities between their lives. Ultimately, Digger's feelings stem from a deep-seated frustration with the inequalities that affect his own life.