Typically service, when used in this context, implies that you do something for somebody else at no or little benefit to yourself.
The only way this can be forced on anyone is if the government does it -- which is pretty much the reason why I am in favour of as small a government as possible.
> Typically service, when used in this context, implies that you do something for somebody else at no or little benefit to yourself
And in another context it just means "serving". So it's silly to call it an oxymoron when it's quite easy to be an involuntary servant. In fact, involuntary servitude has a long and proud history, it's called "slavery".
The only way this can be forced on anyone is if the government does it -- which is pretty much the reason why I am in favour of as small a government as possible.