Prospero's servant (5)
I believe the answer is:
ariel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prospero's servant</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ariel that I've seen before include "role in Shakespeare" , "Enchanting islander" , "Prospero's spirit (Tempest)" , "fairy sign" , "Disney character" .)