A real estate agent is a term used by many that describe a person or an organization whose business is marketing a real estate to their clients. Either they locate some sellers who hope to sell, or they situate a buyer who wishes to buy.
Health club/fitness center or more commonly known as gym is a place where it hosts exercising equipments mainly for people who want to engage in physical exercise. Whether to loose weight, gain weight or mainly to stay in shape, this place can provide their needs and equipments such as free weights and exercise machines.