Any natural human can do what the law says: they do not need God, law, tent, priest, prophet, or king.
Doing what the law or covenant says – eating, drinking, atonement rituals, festivals and circumcision – do not amount to an international standard.
for when Gentiles which have no law do by nature the things of the law, these [people], having no law, are a law unto themselves;
Romans 2:14