Do unto others what you don't want others to do unto you.

You will only get the respect that you deserve if you treat others the way you want to be respected.

Household Helpers come to work in a foreign country with the mindset of serving. But in doing so, others treated them without dignity and respect.

This is the reason why they retaliated to get even. Probably she arrived at the point of no return and the only way for her to get even is to fight back.