commander

noun

A person in authority, especially over a body of troops or a military operation.

SYNONYMS

big cheesebig kahunabig wheelbig white chiefbigwigbossboss manC.-in-C.captainchiefCOcommander-in-chiefcommanding officercontrollerdirectorgafferguv'norheadhead honchoheadmanhigh muckamuckhonchokingpinleadermanagermasterMr Bignumber onenumero unoofficeroverseersachemskippertop dog