What role do individuals play in defending the rights of the oppressed worldwide?

This is usually done by creating awareness. We are in the era of a drastic increase in social media usage so putting the issue up and creating a voice for it will ensure the matter is looked into by the relevant authorities to curb it.

There can also be raising of money in order to ensure that the victims are in a better condition and not in situations which would enable them to get oppressed.

would not cooperate with each other voluntarily.

a.   it resulted in widespread unemployment.