collecter
Bibliophile
A Skeptic person
Such a person is immortal.
A person who robs is called a "Robber".
a researcher
A person who collects things can be called a collector. If the collecting is thought to be excessive, such a person might also be called a packrat, or a hoarder.
A person who collects beetles is a coleopterist.
a strawber.
A cravatologist.
Bibliophile
supernatural
a button collector
A badge collector.
A paper collector
A car collector?
A gem collector
Archivist, antiquarian