archivist

noun

professional who assesses, collects, organizes, preserves, maintains control over, and provides access to information determined to have long-term value

Wiktionary

Pronunciation: /ˈɑː(ɹ)kɪvɪst/ / /ˈɑː(ɹ)kəvɪst/ / /ˈɑː(ɹ)ˌkaɪvɪst/

noun

Etymology: Etymology tree Ancient Greek ᾰ̓ρχή (ărkhḗ) Ancient Greek *ἀρχεῖος (*arkheîos) Ancient Greek ἀρχεῖον (arkheîon)bor. Latin archīvumbor. French archives French archiveder. English archive Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ῐστής (-ĭstḗs)bor. Latin -istader. Old French -istebor. Middle English -ist English -ist English archivist From archive + -ist.

One who is in charge of, or performs the task of creating, collecting, cataloguing and organising archives.
“The billionaire’s will established a trust to create a staff of archivists that would chronicle and preserve his rise to prominence.”