5calls.org offers a mobile app where you can search for your representatives and call them while also providing scripts based on the legislation/issue you are concerned about.
Join the movement. Connect with your local 50501 or other pro-democracy activist organization. If you aren't able to join a protest, offer to drop your friends off or make signs to donate.
Follow or support the ACLU and other pro-democracy orgs. ACLU is long-standing institution that fights legal battles for civil liberties. They are also a great source for related information.
Get/stay informed. Challenge misinformation and start setting groundwork to help bring your friends and/or family out of the fog. Check your library for useful resources.
Participate in the boycots of Target, Amazon, and other organizations who have abandoned their DEI policies. Shop small businesses.