One that temporarily performs the duties of an office:
An individual designated by law to care for another’s person and property because of the former’s incompetence to make his or her own decisions.
A custodian; caretaker
An impromptu or extralegal system of justice substituted for established judicial procedure:
Find another word for conservator. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for conservator, like: caretaker, custodian, guardian, keeper, law, curator, archivist, archaeologist and restorer.