keeper

/ˈkiːpər/ noun [C]

Definition

› a person who takes care of animals, buildings, etc. or is in charge of valuable objects or information: He is the organization's official record keeper. an assistant keeper at the museum

› informal something that is worth keeping: I've tried many products similar to this, but this one is a keeper! The company is doing well, and their stock is definitely a keeper.

→ See also shopkeeper, storekeeper

(Definition of keeper noun from the Cambridge Business English Dictionary © Cambridge University Press)