Call, email, send letters to your representatives. Make your voice heard loud and clear. You can always peacefully protest outside of their offices, too, and you don’t need a large group for that. You can find your rep here:
https://www.house.gov/representatives/find-your-representativeSpeak up on social media. Speak up with your friends. Speak up with your family. Research the facts and construct your opinions accordingly. Media bias and disinformation is constant. Be wary of emotional appeals and claims that you can’t factually verify.
There are tons of amazing people fighting tooth and nail against cruelty right now, and you can aid them with time and money. Consider donating or volunteering:
https://slate.com/news-and-politics/2018/06/how-you-can-fight-family-separation-at-the-border.htmlThere are nationwide protests occurring on June 30th to #KeepFamilesTogether. You can see where the nearest protest is here: https://act.moveon.org/event/families-belong-together/search/
REGISTER TO VOTE AND GET PEOPLE REGISTERED TO VOTE. Absolutely crucial. We can no longer afford to be disinterested in national politics. You can register from the comfort of your living room and you can mail in ballots if you don’t want to go to polls. https://vote.gov/
Here are some more ways to get people voting: https://www.nonprofitvote.org/documents/2012/04/seven-principles-of-getting-out-the-vote.pdf/ Seriously, it’s critical.
Keep talking, keep writing letters and making phone calls, keep researching, lend your hands/funds when you can, stay vocal and stay involved. This is a time for action. Good luck out there.