From the web site:

NAR’s Mission and Vision

Mission

The core purpose of the NATIONAL ASSOCIATION OF REALTORS® is to help its members become more profitable and successful.

Vision
The NATIONAL ASSOCIATION OF REALTORS® strives to be the collective force influencing and shaping the real estate industry. It seeks to be the leading advocate of the right to own, use, and transfer real property; the acknowledged leader in developing standards for efficient, effective, and ethical real estate business practices; and valued by highly skilled real estate professionals and viewed by them as crucial to their success.

Working on behalf of America’s property owners, the NATIONAL ASSOCIATION OF REALTORS® provides a facility for professional development, research and exchange of information among its members and to the public and government for the purpose of preserving the free enterprise system and the right to own, use, and transfer real property.