n. 25B6; noun
the ship's captain : COMMANDER, master; informal skipper.
the team's captain : LEADER, head; informal boss, skipper.
a captain of industry : MAGNATE, tycoon, industrialist; chief, head, leader, principal; informal boss, number one, bigwig, big shot/gun, honcho, top dog; N. Amer. informal kahuna, top banana.
25B6; verb a vessel captained by a cut-throat : COMMAND, run, be in charge of, control, manage, govern; informal skipper.