One of the strengths of Hub Pages is the mutual support and inspiration for its members to engage in. Everyone benefits. The Fan club is internal. It is a benefit of being a writer who publishes their work on Hub Pages. One only needs to make hubs when one has an idea to share, and that is how one becomes part of the community of "hubbers," by becoming a Fan of others, and those writers reciprocating.
I noticed that you wrote this question over a year ago. Have you discovered your answer since then?