rapporteur vs record-keeper

rapporteur and record-keeper both are nouns.

Word	Noun	Adjective	Verb	Adverb
rapporteur	Yes	No	No	No
record-keeper	Yes	No	No	No

As nouns, record-keeper is a hypernym of rapporteur; that is, record-keeper is a word with a broader meaning than rapporteur:

rapporteur: a recorder appointed by a committee to prepare reports of the meetings
record-keeper: someone responsible for keeping records

Other hypernyms of rapporteur include recorder, registrar.

rapporteur (noun)	record-keeper (noun)
a recorder appointed by a committee to prepare reports of the meetings	someone responsible for keeping records