bailee (custodian)

Definition from Nolo’s Plain-English Law Dictionary

A person with whom some article is left, usually pursuant to a contract, who is responsible for the safe return of the article to the owner when the contract is fulfilled. Examples include banks holding bonds, storage companies where furniture or files are deposited, a parking garage, or a kennel or horse ranch where an animal is boarded.

Definition provided by Nolo’s Plain-English Law Dictionary.