What’s the difference between a real estate agent and a realtor? Definitions and Background Realtor: A Licensed Professional In the real estate business, the terms “Realtor”, and “realty agent” are used interchangeably. However, these terms have different meanings. A real estate agent represents buyers and sellers in real estate transactions. They provide guidance and facilitate the buying and selling processes. Realtors are members of NAR, the National Association of Realtors. NAR promotes the interests of professionals in real estate. To become a Realtor, a real estate agent must adhere to a strict code of ethics, which includes principles such as