DictionaryfiduciaryLegal duty to another
noun / adjective

fiduciary

fih-DOO-shee-air-ee/fɪˈduːʃieri/

A person legally entrusted to act in another's interests, or relating to that duty.

The trustee owed a fiduciary duty to the beneficiaries.

A court-appointed trustee receives custody of a child's funds, then uses those same funds to obtain a wheelchair for the child: legally entrusted assets administered for another person's benefit.
Etymology

Latin fiducia meant trust and, in law, a right transferred in trust. A fiduciary duty makes that trust a legal responsibility to act for another’s benefit.

In context

Andrew De Vries - SF Bay Area Probate Realtor 1:29
The word fiduciary means a person of trust. So, like your broker has a fiduciary duty to you.
What Is a Professional Fiduciary? Trusts, Conservatorships & Estate Administration Explained

More examples

  • She acted as a fiduciary for the estate.
  • The complaint alleged a breach of fiduciary responsibility.
  • A fiduciary must handle entrusted assets in another's interests.

Forms

fiduciary · fiduciaries

Similar words

trustee
A trustee is one kind of fiduciary; the broader term includes other entrusted roles.
agent
An agent acts for another and may have fiduciary duties depending on the relationship.