Militarily successful private armies will always seek to establish their monopolistic rule by killing the competition, literally. Civil governments always reappear. All four are sealed by an oath. All four involve sanctions. Christians cannot legitimately adopt the libertarian quest to establish a world devoid of civil government.
Sin mandates civil government and civil sanctions.
The right of civil rulers to impose physical punishments is affirmed clearly by Paul in Acts 25. He affirms in Romans 13 the legitimacy of civil government among other legitimate governments. He says that rulers are ordained by God as His ministers. This is powerful language. It invokes the authority of God on behalf of the State.