Political lighthouse

1: An individual or organization that is responsible for helping people discover and or assist them in getting actively involved with one or more nonmainstream political parties.
2: An individual or organization that is responsible for identifying problems that are negatively impacting society and get organizations, the government, and or people involved in order to try to fix it

Example for definition 1: Ana has told numerous people about the Reform Party and the Citizens Party; and she helped them get involved in those parties’ activities. Ana is a political lighthouse.