Mateen Charbonneau, Sheikh Mateen Joshua Charbonneau achieved a certificate from Harvard University in Islamic Studies. He undertook Howza classes under esteemed scholars since 2013 and has been teaching at Imam Mahdi... Answered 1 year ago

You can give charity on their behalf, pray for them and also bring awareness to others about their situation. We must pray for the return of Imam Mahdi (aj) which is the solution to end the oppression in the Earth. 

According to a prophetic narration, we must stop oppression  by our hand if we are able, if not then we speak against it and if we are not able then the last step is to hate it in our heart.