conservator someone appointed by a court to assume responsibility for the interests of a minor or incompetent person
administrator someone who manages a government agency or department
executor a person appointed by a testator to carry out the terms of the will
liquidator,
receiver (law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties
steward someone who manages property or other affairs for someone else
Adjective
fiduciary -
relating to or of the nature of a legal trust (i.e. the holding of something in trust for another); "a fiduciary contract"; "in a fiduciary capacity"; "fiducial power"
A fiduciary duty is a legal or ethical relationship of confidence or trust regarding the management of money or property between two or more parties, most commonly a fiduciary and a principal. One party, for example a corporate trust company or the trust department of a bank, holds a fiduciary relation or acts in a fiduciary capacity to another, such as one whose funds are entrusted to it for investment. In a fiduciary relation one person, in a position of vulnerability, justifiably reposes confidence, good faith, reliance and trust in another whose aid, advice or protection is sought in some matter.
OmegaWiki Dictionary
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fiduciary A person who holds assets in trust for a beneficiary.
fiduciary Relating to or of the nature of a legal trust.
