Conscientious objector

The term for a person who refuses to participate in fighting a war due to religious/other beliefs.

An example of conscientious objectors are Quakers, or "Friends" as they are otherwise known, will not fight because of their philosophical beliefs.

conscientious objector

An asexual person, of any gender.

Doctor: Are you sexually active?
Patient: No, I’m not.
Doctor: Strike of bad luck; or are you one of those ‘conscientious objectors?’