Conservator
CONSERVATOR, noun
1. A preserver; one who preserves from injury or violation. Appropriately, an officer who has the charge of preserving the public peace, as judges and sheriffs; also, an officer who has the charge of preserving the rights and privileges of a city, corporation or community, as in catholic universities. It is a word of extensive application.
2. In Connecticut, a person appointed to superintend idiots, lunatics, etc., manage their property, and preserve it from waste.