Barnum, perhaps (7)
I believe the answer is:
showman
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">barnum perhaps</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that P. T. Barnum is a showman)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for showman that I've seen before include "Entertainer" , "Circus proprietor" , "Person helping to present" , "Circus or fair manager" , "Impresario" .)