collector, aggregator

a person who collects things

• archivist — a person in charge of collecting and cataloguing archives
• conchologist — a collector and student of mollusc shells
• numismatist, numismatologist, coin collector — a collector and student of money (and coins in particular)
• philatelist, stamp collector — a collector and student of postage stamps

• person, individual, someone, somebody, mortal, human, soul — a human being