1. conservator(n = noun.person) curator - the custodian of a collection (as a museum or library);
is a kind of custodian, keeper, steward
2. conservator(n = noun.person) - someone appointed by a court to assume responsibility for the interests of a minor or incompetent person;
is a kind of fiduciary
1. One who preserves from injury or violation; a protector; a preserver. [1913 Webster]
"The great Creator and Conservator of the world." [1913 Webster]
2. An officer who has charge of preserving the public peace, as a justice or sheriff. [1913 Webster]
"The lords of the secret council were likewise made conservators of the peace of the two kingdoms." [1913 Webster]
"The conservator of the estate of an idiot." [1913 Webster]
conservator, n. a person who preserves something; an official custodian (of a museum etc.).
Etymology:
ME f. AF conservatour, OF -ateur f. L conservator -oris (as conserve)