2 Answers

Buck Harkness: Loafer in an Arkansas town where Huck and Jim stop with the duke and the king.

Buck Harkness: man who leads the lynch mob.

After the shooting, someone in town suggests that Colonel Sherburn should be lynched, and the people, led by Buck Harkness, suddenly go wild. The crowd turns into an angry mob, stopping at nothing in pursuit of revenge against Sherburn. Even children run for their lives to get out of the way of the raging mob. In a frenzy they tear down Colonel Sherburn’s picket fence and pour into his yard, ready for action.

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Buck Harkness is the leader of an angry Mob after Colonel Sherburn for killing a town drunk by the name of Boggs. Sherburn describes Buck Harkness as "Half of a man.