Synonyms of 'depositary'
A guardian is someone who has been legally appointed to look after the affairs of another person, for example a child or someone who is mentally ill.
He regards himself as a guardian of traditional values.
A steward is someone who has the responsibility for looking after property.
a steward to manage the place
Thesaurus for depositary from the Collins English Thesaurus
a person or group to whom something is entrusted for safety or preservation