WordNet: aggregator, collector

a person who collects things

• hypernym individual, mortal, person, somebody, someone, soul

• hyponym archivist

• hyponym conchologist

• hyponym coin collector, numismatist, numismatologist

• hyponym packrat

• hyponym philatelist, stamp collector

aggregator

• (englanti) aggregate (derivationally related)
• (suomi) keräilijä (synonyymi)

collector

• (suomi) keräilijä (synonyymi)