Autocratic ruler (8)
I believe the answer is:
dictator
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">autocratic ruler</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 dictator that I've seen before include "Top dog like Hitler, Stalin and Franco" , "One who reads out for others to scribe" , "Authoritarian, tyrant" , "Extraordinary old magistrate" , "Eg, Stalin" .)