They [INTJs] are likely, however, to organize themselves out of a job. They cannot continually reorganize the same thing, and a finished product has no more interest. Thus, they need successive new assignments, with bigger and better problems, to stretch their powers.
Whatever community organization, whether it's a women's organization, or fighting for racial justice. . . you will get satisfaction out of doing something to give back to the community that you never get in any other way.