You might want to rethink that one, unless you believe individuals should be able to imprison/execute others, print money, collect taxes... you get the idea.
Well, before governments, individuals were able to imprison/execute their enemies, use anything for 'money' [shells/beads etc], demand/collect fees from their neighbors for services rendered [taxes]... you get the idea.
” An individualist believes the state ...”
This posits the existence of a government, so using pre-government activities in defending it sort of begs the question.