What is the principle and responsibility of the media?

Question From User - Answers in Comments.

Is it that the media’s responsibility is to inform and educate with balance, equity and decorum?
Does freedom of the Press mean the unsavory use of personal prejudice to taint the information in order to promote an egocentric agenda?
Is it a wanton abuse of privileges and an act of criminality, for bigoted individuals to use the media as a weapon to contravene the inalienable rights of another?

Should the media be used as a weapon of oppression and persecution against Political, Religious, Financial, Ethnic, Intellectual and Social Opponents?