Sammler
Sammler is a German noun meaning "collector." It denotes a person who collects objects such as stamps, coins, art, or biological or other specimens, either as a hobby, for study, or as part of a professional archive. In scientific contexts, a Sammler may refer to someone who collects specimens for a collection or study. The term derives from the verb sammeln ("to collect"). The feminine form is Sammlerin; the plural forms are Sammler (mixed or all-male groups) and Sammlerinnen (all-female groups).
As a surname: Sammler is also a German-language surname. It originates from an occupational or descriptive source,
In culture: The word is commonly used in compound terms like Briefmarkensammler (stamp collector), Münzsammler (coin