a person who commands.

a person who exercises authority; chief officer; leader.

the commissioned officer in command of a military unit.

U.S. Navy . an officer ranking below a captain and above a lieutenant commander.

a police officer in charge of a precinct or other unit.

the chief officer of a commandery in the medieval orders of Knights Hospitalers, Knights Templars, and others.

a member of one of the higher classes or ranks in certain modern fraternal orders, as in the Knights Templars.

noun

follower

noun

administrator , big cheese * , boss , captain , chief , co , commandant , czar , director , don , exec , guru , head , head honcho , head person , higher up , high priest/priestess , kingfish , kingpin , lead-off person , mastermind , officer , point person , ruler , skipper , top banana * , top brass , top dog , emperor , general , leader , master