It's safer in the front lines apparently, I suggest you go or be ready for anything; contact friends and connections, talk with like minded people and form groups
Antifa and Marxist communities generally accept people of all kinds and are welcoming, even if you do not agree to every policy of theirs they will generally protect you as long as you help them or work with them
Leftist ≠ Liberalism
Liberalism is Leftwing leaning but isn't leftist