term:

Conservator

conservator n

1 : a person, official, or institution appointed by a court to take over and manage the estate of an incompetent compare committee, curator, guardian, receiver, tutor
2 : a public official charged with the protection of something affecting public welfare and interests
;specif
: an official placed in charge of a bank because its affairs are not in a satisfactory condition
con·ser·va·tor·ship n