To dream of a politician, denotes displeasing companionships, and incidences where you will lose time and means.
If you engage in political wrangling, it portends that misunderstandings and ill feeling will be shown you by friends.
To dream that you are a politician, indicates that you are being deceptive and manipulative. You are trying to persuade others to support your views and ideas.
To see a politician in your dream, suggests that you need to choose and take a side in a real life situation.