... from accidents and from natural causes. It does not logically follow that it is therefore acceptable to deliberately kill another person.
As to why God ordains/allows so much suffering in our world, that is a complicated question that theologians struggle with, and that, in my opinion, we cannot adequately answer at the present time. I definitely get the impression, however, that, for you, the question is merely a rhetorical device designed to advance a completely non-religious argument. Please feel free to correct me if I am mistaken.
A Constitutional, Christian conservative who voted for Ron and stands with Rand