Sentence:  Since the <WSD>hero</WSD> , a sterling and upright fellow , is a rich Brown senior , while two Yalies are cast as virtual rapists , I suppose I should disqualify myself from sitting in judgment on `` Where the Boys are '' , but I shall do nothing of the sort . 
Meaning of the word marked with <WSD> tags:  the principal character in a play or movie or novel or poem