Domineering person (8)
I believe the answer is:
autocrat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">domineering person</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for autocrat that I've seen before include "Dictatorial person" , "Person with unlimited power, kind of dictator" , "Dictatorial type" , "Domineering person" , "Despot, tyrant" .)