4. If you believe in salvation based on something other than the faith offered by religion, it means you believe in science, and that faith only applies to the life you currently have. As for what happens after death, where to go – atheists don't know. It seems to me that they are afraid of death.
Religion builds faith on today's life, tomorrow's life, and the afterlife.
5. Honor and conscience are 100% a personal choice, because it is a purely personal decision. Of course, he may break the law, which would be wrong, but for him, it might be a matter of honor, etc.