Maybe there'll need to be some fire but you can also help spread class consciousness, join community organizations (especially if you're in a larger city, where there should be established ones), or start your own. Try to join or form a workers union.
Build relationships and spread these ideas in your community and we'll be a more powerful political force, move the overton window back to the left. Advocate for UBI and wealth taxes, support a global billionaire tax. We might not abolish capitalism but we can at least force the establishment to acknowledge the left.