A healthcare worker is a professional who provides medical services to patients. This includes a variety of roles such as doctors, nurses, pharmacists, and medical assistants. They are essential in diagnosing illnesses, administering treatments, and offering support to patients and their families. Healthcare workers often collaborate in teams to ensure comprehensive care. They may work in settings like hospitals, clinics, and nursing homes. Their responsibilities can range from direct patient care to administrative tasks, all aimed at improving health outcomes and promoting wellness in the community.