Character Complexity in William's Internal Conflict

In the following passage from a historical novel, the character William is described as a man of contradictions: he is both a fierce protector of his family and a ruthless businessman. His inner turmoil is showcased when he confronts an adversary, revealing his complex nature through both dialogue and action. As he stands between his family and the threat that looms, we see a man torn between his duty to protect and his desire for power. Analyze how the author uses characterization to convey William's internal conflict.