Whose Liberty?

I was just reading one of the n-million letters a US libertarian economist Don Bordreaux fires off each day/week which as usual has some dig at something someone has said somewhere in the US media.

The linked letter basically says certain liberals oppose property rights by advocating things like nationalisation of industry or, presumably, any kind of government intervention since that is predicated on taxation which is coercion.

I think this is the starting point for many Christians who stand on the right of the spectrum (although not necessarily the Tory Christians I know, I'm thinking people like Cramner and other libertarians I know). Taxation is coercion and we should thus oppose it as Christians because it denies those from whom the taxes are taken the freedom to decide for themselves what they do with that money.

A tiny part of me is sympathetic to that view. Very tiny though, because my real concern is: Whose liberty are we protecting by stopping taxation on more affluent people in order to fund some kind of state-led action of one form or another? Are we protecting the downtrodden employee who really has absolutely no "choice" about what to do because there are no other employers around should he quit his job? What freedom does this person have if there are no labour laws and regulations (that are enforced) keeping checks and balances on what employers can and cannot do? Particularly if, should he decide to quit and try to look for another job, there is no safety net for him and his family to fall into should he not be able to find another job instantaneously?

So do we by having some state intervention in the mechanics of labour markets protect the liberty of many people at the expense of the liberty of others?