procurer vs offender

procurer and offender both are nouns.

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

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

procurer: someone who procures customers for whores (in England they call a pimp a ponce)
offender: a person who transgresses moral or civil law

Other hypernyms of procurer include wrongdoer.

procurer (noun)	offender (noun)
someone who procures customers for whores (in England they call a pimp a ponce)	a person who transgresses moral or civil law
someone who obtains or acquires