主 - lord, chief, master

chairmanship; presidency; management

commander-in-chief; supreme commander

main; principal; chief; primary; major

supervision; management; supervisor; manager

protagonist; main character; hero; heroine

(the) mainstream

communism

landlord; landlady

budget bureau

sponsorship (i.e. conducting under one's auspices); promotion; organizing; organising; hosting; staging

main spindle; main shaft

hegemony; leadership; initiative