A consultant (from the Latin consultare means "to discuss" from which we also derive words such as consul and counsel)'s a professional who provides advice in a particular area of expertise such as management, accountancy, the environment, entertainment, technology, law (tax law, in particular), human resources, marketing, medicine, finance, economics, public affairs, communication, engineering, sound system design, graphic design, or waste management. A consultant's usually an expert or a prof… (More on Consultants)