I dont understand what you are trying to say
I believe the answer is: Self-starter
Self-starter refers to the people who had enough motivation within them to do all their responsibilities without being supervised by others. This could be shown in people who give help to others need it without any reward (such as the example above) , children who do their homework without being coerced by the parents, etc.
Not using cars? because that reduces they product of pollution
True,
without them the politics would be controlled by the people, who are uneducated and are not experts
