Business consultant
A business consultant (from Latin consultare, "to discuss") is a professional who provides professional or expert advice or service in a particular area such as security (electronic or physical), management, accountancy, law, human resources, marketing (and public relations), financial control, engineering, science, digital transformation, exit planning or any of many other specialized fields. A consultant is usually an expert or a professional in a specific field and has a wide area of knowledge in a specific subject.