Mention and explain 7 pillars or vital institutions in a democratic dispensation

The police : their major responsibility is to protect and see to the enforcement of law and order
Armed forces: they are allowed with the responsibility of carrying arms and ammunition because they are to protect the territorial integrity of a Nation because of Invaders.
civil societies: this includes commercial banks, mortage bank, merchant bank, community and micro finance banke etc
labour unions :this includes the nigeria labour Congress NLC among many others. They play one role or the other in to the sustainability of hard earn democracy.
activists student Union financial institutions, academic institutions