When Big Mat goes to get the mule he was promised by Mr. Johnston, the riding boss, eager to exert his power, insults and whips Big Mat. Big Mat loses his temper and attacks the riding boss, prompting the brothers' departure to the north.
When Big Mat goes to get the mule he was promised by Mr. Johnston, the Riding Boss, eager to exert his power, orders Big Mat to leave and go home. The Riding Boss insults and whips Big Mat. Big Mat loses his temper and kills the Riding Boss, prompting the brothers' departure to the north.