Wikipedia
Curator bonis
In Scots and Roman-Dutch laws, a curator bonis is a legal representative appointed by a court to manage the finances, property, or estate of another person unable to do so because of mental or physical incapacity. The corresponding office in common law is that of conservator or guardian of the property.
Usage examples of "curator bonis".
Mrs Rhymer acted for her as a sort of unofficial curator bonis, receiving her money and depositing it in the black box, of which she kept the key.