trusted with managing on behalf of

fiduciary

adjective|/fɪˈduː.ʃi.ˌer.i/

Involving trust and confidence in managing affairs or assets for another

Examples

In a meeting

Board members have a fiduciary responsibility to act in shareholders' best interests.

Over coffee

As executor, she has a fiduciary duty to distribute the estate fairly.

Why this word

trustee

Trustee is one type of fiduciary; fiduciary describes any relationship requiring trust and confidence in handling another's affairs

guardian

Guardian is a specific role; fiduciary is the legal classification for anyone holding a position of trust over another's interests

agent

Agent represents another but may lack fiduciary duties; fiduciary specifically denotes legal obligation to act in another's best interest

Usage tip

Use when describing legal or ethical obligations to manage someone else's interests or assets; implies high standard of care.

Etymology

Latin 'fiduciarius' from 'fiducia' (trust, confidence)

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