Social problems (Corrections)

Today I meetmet someone who cares about social problemsmprobems are importan for them. 
They very effort to acquaint other studends (I don't understand this sentence, what do you want to say?). They have big ambitions. All of them sure can change many things(What do you want to say here?). They spoke about release(do you mean freedom or liberty instead? release means آزاد شدن، آزاد کردن. freedom means آزادی), justice, law, etc.
I really don't know whether Tthey will win or nosucceed or not. That 's important they undrestand this way is true and try for it (I don't understand this sentence, what do you want to say?).

To Study: https://simple.wiktionary.org/wiki/whether