To see a policeman, you will have trouble with people who are your friends. You expect that they will help, but they will turn their backs. And this is happening in life, and more often than we would like. If you dreamed that you were detained by police, be careful. If you in a dream were a cop, expect problems in the marriage, and watch out for dishonest people around.
A police force is a constituted body of persons empowered by the state to enforce the law, protect property, and limit civil disorder. Their powers include the legitimized use of force.
to control and keep order in (an area) by the use of police or military forces, to control (something) by making sure that rules and regulations are being followed