During our Russian trip, judges and journalists came together in the same room to discuss issues of mutual concern. (legalblogwatch.typepad.com)
We can hold deep and fundamental differences with people of other faiths, yet share mutual concerns, work together and overcome common problems. (relevantmagazine.com)
In the generic usage of the word this could be called a democracy because they are resolving mutual concerns using equal voting (in this case, one vote per share). (politics.stackexchange.com)