Libertarians argue that no normal adult has the right to impose choices on other normal adults, except in abnormal circumstances, such as when one person finds another unconscious and administers medical assistance or calls an ambulance.

Libertarians typically argue that particular obligations, at least under normal circumstances, must be created by consent; they cannot be unilaterally imposed by others.

Guardians are necessary for children and abnormal adults, because they cannot make responsible choices for themselves.

If an individual is born with the obligation to obey, who is born with the right to command?

To repeat, communitarians maintain that we are constituted as persons by our particular obligations, and therefore those obligations cannot be a matter of choice.

Group personification obscures, rather than illuminates, important political questions.

Equality of rights means that some people cannot simply impose obligations on others, for the moral agency and rights of those others would then be violated.