Sentence:  "I'm no hero," insists freckle-faced 14-year-old Freddie Hanberry. But to many of the young cancer patients, nurses and staff at University Medical Center here, he is as close as you can get. The "<WSD>hero</WSD>" talk began when a national magazine featured Hanberry, who has leukemia, in a special section called "100 New American <WSD>Heroes</WSD>." 
Meaning of the word marked with <WSD> tags:  Somebody who possesses great bravery and carries out extraordinary or noble deeds.