Why did he think the old man a miser in Oliver Twist?

In "Oliver Twist," the protagonist Oliver perceives the old man, Mr. Fang, as a miser because of his harsh demeanor and unyielding nature. Fang's treatment of Oliver and other characters reflects a lack of compassion, suggesting a preoccupation with wealth and authority over human kindness. This characterization aligns with the broader themes of social injustice and moral decay present in the novel, where those in positions of power often neglect the welfare of the vulnerable. Ultimately, Fang embodies the greed and indifference prevalent in Victorian society.