Fiduciary Duty: Why Some Professionals Must Act in Your Best Interest

Fiduciary duty applies when information asymmetry means clients can't verify the professional's work (lawyers, doctors, financial advisors). It's a legal obligation to prioritize client interests over self-interest.

Most businesses operate at "arm's length" — they maximize their own profit, and buyers know this. A car dealership has no legal obligation to get you the best price. But certain professions carry a fiduciary duty: a legal obligation to act in the client's best interest. Who has fiduciary duty: - Lawyers (to their clients) - Financial advisors (registered investment advisors, not all brokers) - Doctors (to their patients) - Real estate agents (to the party they represent) - Corporate board members (to shareholders) - Trustees and executors (to beneficiaries) Why these professions specifically: The common thread is information asymmetry and necessary trust. You can't verify whether your lawyer is giving good legal advice because you lack the expertise — that's why you hired them. The fiduciary duty exists because the client MUST trust the professional and cannot independently verify their work. The Zillow/real estate context: Real estate agents have fiduciary duty to the party they represent. Lawsuits arise when agents' actions (or contract structures) benefit the agent or platform at the client's expense — violating the duty to prioritize the client's interests. Breach of fiduciary duty is a serious legal claim because it involves someone violating an explicitly higher standard of trust, not just normal business self-interest.

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