The reality is that most people are humiliated or violated by the police or conned out of wages by employers completely legally every day. As with most injustice. These ideas of basing your freedom on law, contract, etc., may seem free on the surface, but the problem is that these ideas are based on the most authoritarian institutions in society such as the state and the police. These institutions are the negation of freedom. Unless we grasp this and adopt it as part of the way we see the world we will never get much closer to freedom than we are now.
Contracts are voluntary by definition.
Otherwise, they aren't contracts. It's available upon request and is posted on The Pharos Connection. I can't express how much it pains me to see you twisting the meaning of Herr Hammerstein's lyrics. To be a member of the Trench Coat Mafia is not a question of essence or of birth. You have turned Hammerstein's meaning on its head.