text: This character disguises himself as “Sarah Mary Williams,” but is discovered when he tries to thread a needle.
full_question: This character disguises himself as “Sarah Mary Williams,” but is discovered when he tries to thread a needle. He also takes the alias “George Jackson” as he becomes embroiled in a family feud between the Grangerfords and Sheperdsons, and he encounters two con men called the Duke and Dauphin. He fakes his own death to escape his abusive father, Pap, and his plans to free Jim are unnecessarily complicated by Tom Sawyer. For the points, name this Mark Twain title character who takes off down the Mississippi.
first_sentence: This character disguises himself as “Sarah Mary Williams,” but is discovered when he tries to thread a needle.