Charles III is one! (5)
I believe the answer is:
ruler
(Other definitions for ruler that I've seen before include "Drawing stick or monarch" , "Monarch; measurer" , "Person in charge of country" , "Commander" , "Eg, king, emperor" .)
I believe the answer is:
ruler
(Other definitions for ruler that I've seen before include "Drawing stick or monarch" , "Monarch; measurer" , "Person in charge of country" , "Commander" , "Eg, king, emperor" .)