You have several elected representatives at different levels of government.
Your 3 West Chesterton district councillors represent you on Cambridge City Council. The District Council is responsible for local services, including planning, council housing, and rubbish collection. Most district councillors are not paid a salary, but get a basic allowance for the work they do.
Your Castle county councillor represents you on Cambridgeshire County Council. The County Council is responsible for local services, including education, social services, transport, roads (except trunk roads and motorways), public rights of way, and libraries. Most county councillors are not paid a salary, but get a basic allowance for the work they do.
Your Cambridge MP represents you in the House of Commons. The House of Commons is responsible for making laws in the UK and for overall scrutiny of all aspects of government.
Your 7 Eastern MEPs represent you in the European Parliament. They scrutinise proposed European laws and the budget of the European Union, and provide oversight of its other decision-making bodies.