Answer:
The answer is: A public-interest group.
Explanation:
Public interest group Public interest groups can be defined as those groups that pursue objectives whose achievement will apparently provide benefits to the general public, or at least to a wider population than group membership.
Thus, for example, if a public interest group concerned with air quality is successful in its various strategies and activities, the benefit achieved: Cleaner air, is available to the general public, not only to group members.
The answer is: A public-interest group.