bite the hand that feedsbite the hand that feeds (you)
to severely criticize the person or organization that helps you or pays you.
It is unwise to bite the hand that feeds you, but TV journalists need to tell the truth about the news business.
bite the hand that feeds (you)
To scorn or poorly treat those on whom you depend or derive benefit. You might not agree with your parents' rules, but be careful about biting the hand that feeds you, because you owe everything you have to them.In politics, if you bite the hand that feeds, benefactors can very quickly crush your political future.
bite the hand that feeds (one)
To repay generosity or kindness with ingratitude and injury.