@disconnected @shebang @xianc78 People will come around eventually; it's important to lead by example and not by force.
I know that one of the techniques AnComs or syndies do is, to explain the definition of anarchism/libertarianism, then ask if the person agrees with it then go "well thats anarchy/libertarianism", esp when discussing centralisation vs decentralisation. thats one way of doing things... although some lib-lefts get impatient and start liberal-bashing which is counter-productive.
The best help i can give is this:
https://polcompball.miraheze.org/wiki/List_of_movementsjust under movements, there's "Political Parties" from around the world. The best thing to do, is find which party is most open-minded to libertarianism (u dont have to vote and all that BS), but u can talk to the people in that mob and leave like a bread crumb trail and build bridges.