The Differences Between Realtors and Real Estate Agents The Differences Between Realtors and Real Estate Agents Definition 1. A real estate agent is an individual who is licensed to represent buyers and sellers in real estate transactions. They help clients buy or sell property, and must adhere strict ethical and legal rules set by the state’s realty commission. 2. A realtor is a real-estate agent who is also a part of the National Association of Realtors. To become an agent, a person must join the NAR. This requires that the person agrees to abide by its strict code of conduct