0 someone who objects to something or someone:
a conscientious objector
1 a person who disagrees with or disapproves of something, and tries to prevent it or refuses to take part in it:
Environmentalists are calling for a better system for objectors to respond to new developments.
The objector is worried about persons who may only do moral good in a feasible world in which others do significant wrong.
He agrees with his objectors that laws are well-established features of the world, but denies that the natural (physical) world is all there is.
An objector might claim that workers or consumers can know which citizens have contributed without paying for it.
Here is a brief sketch of a reply to the objector.
The objector might assert that the second assumption is similarly superfluous.
Other objectors were more cautious and more inventive.
Our objector's second modification asks why this last fact matters.
The objectors might press their point by turning to consider another case.