What are the roles of a prime minister?

To appoint government ministers to a cabinet. To direct and influence government policy- this includes all areas of policy but is usually focused on the main areas of economics and foreign policy. To manage the cabinet, for example deciding when and how long to meet for and setting the agenda for discussion. To organise the government, for example, government departments and how they are set up. To control Parliament (by having a majority in the Commons). To provide leadership, for example in response to major events