Male lead (4)
I believe the answer is:
hero
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">male lead</span>' is the definition.<br/ ><span class="explanation-format__explanation">(the male lead in a story)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hero that I've seen before include "Main protagonist" , "Person distinguished by exceptional courage" , "Conqueror" , "Principal male figure in a story" , "Man admired for courage and nobility" .)