A fiduciary is a person or organization that is entrusted with the responsibility of managing assets or making decisions for the benefit of another party. This role involves a high standard of care and loyalty, requiring the fiduciary to act in the best interest of the beneficiary, often prioritizing their needs above their own. Fiduciaries are bound by legal and ethical obligations to act in good faith, with the utmost honesty and transparency, avoiding conflicts of interest.

Fiduciaries are commonly found in a variety of contexts, including financial advisors, trustees, corporate directors, and legal guardians. In each case, the fiduciary has a duty to manage the affairs of the beneficiary in a responsible and prudent manner. For instance, a financial advisor acting as a fiduciary wealth management is expected to provide advice that serves the client's best interests, even if it may not benefit the advisor financially. Similarly, a trustee managing a trust fund must ensure that the assets are used in accordance with the wishes of the trust creator, always considering the interests of the beneficiaries.

In many legal systems, fiduciaries are held to a "fiduciary duty," which includes duties of care, loyalty, and disclosure. The duty of care means that fiduciaries must make informed and thoughtful decisions, while the duty of loyalty requires them to act without self-interest, avoiding personal gain at the expense of the beneficiary. The duty of disclosure ensures that the fiduciary is transparent about any potential conflicts of interest or other relevant information that may affect their decisions.

Failure to fulfill fiduciary duties can lead to legal consequences, including claims for damages or breach of trust. In short, fiduciaries play a critical role in ensuring that those they serve are protected, with a commitment to integrity and accountability at the core of their responsibilities.