whoremaster vs procurer

whoremaster and procurer both are nouns.

Word	Noun	Adjective	Verb	Adverb
whoremaster	Yes	No	No	No
procurer	Yes	No	No	No

As nouns, procurer is a hypernym of whoremaster; that is, procurer is a word with a broader meaning than whoremaster:

whoremaster: a pimp who procures whores
procurer: someone who procures customers for whores (in England they call a pimp a ponce)

Other hypernyms of whoremaster include fancy man, pandar, pander, panderer, pimp, ponce.

whoremaster (noun)	procurer (noun)
a pimp who procures whores	someone who procures customers for whores (in England they call a pimp a ponce)
a prostitute's customer	someone who obtains or acquires