I work at the Centre for Effective Altruism as the Community Liaison, which includes being a point person for the EA community. I’m a person you can come to with concerns about problems you’ve noticed or experienced in the EA community.
Over the last several years, the EA Forum has been run on a volunteer-led basis. Given how much the EA community has grown, the volunteers who have been running the Forum have decided to transition primary responsibility for the EA Forum to the Centre for Effective Altruism. In practice, this should mean that things run much as they have done, but means that volunteers no longer have to be responsible for coordinating the technical maintenance of the Forum.
Summary: When interacting with others you can be considerate of their preferences, for instance by being friendly or reliable. This normally has small positive direct effects. But, by improving your reputation or strengthening aspects of culture that make a community more cooperative, the positive indirect effects can be large.