bandmaster vs director

bandmaster and director both are nouns.

Word	Noun	Adjective	Verb	Adverb
bandmaster	Yes	No	No	No
director	Yes	No	No	No

As nouns, director is a hypernym of bandmaster; that is, director is a word with a broader meaning than bandmaster:

Other hypernyms of bandmaster include conductor, music director.

bandmaster (noun)	director (noun)
the conductor of a band	someone who controls resources and expenditures
	the person who leads a musical group
	someone who supervises the actors and directs the action in the production of a show
	member of a board of directors
	the person who directs the making of a film