staucher

Example:He is a collector of rare coins.

Definition:A person who amasses a number of things, frequently as a hobby or investment, especially over a long period of time.

Example:She is an assembler of historical documents.

Definition:A person who brings together material objects or information, often for a specific purpose or collection.

Example:He is an amasser of rare books.

Definition:A person who gathers or assembles something in large quantities.