they want to bring civil rights
In the politics of representative democracies, a political machine is a political group in which an authoritative leader or small group command the support of a corps of supporters and businesses (usually campaign workers), who receive patronage as reward for their efforts. The machine's power is based on the ability of the boss or group to get out the vote for their candidates on election day.
The equilibrium is the price that comes out from adding all the direct related costs in producing the good or service. To this total you have to add the indirect costs, for example, taxes, salaries, etc. Add up both results and you will have the price.
The equilibrium price is the price that covers all your expenses, both direct and indirect. With this price you do not lose nor earn any money.
The correct answer is the party organization
This is a person who is employed by the party as an organization and probably has an office in their headquarters and receives a paycheck for what they do. He works for the party not as a part of the government nor as a voter, but rather as a professional who has a job and works at a job position in the party as an organization.