I'm also a Christian, but I disagree with your statement that, "God determines our fate, not us as people".
God gave us all freedom of choice. We can choose good, or we can choose evil. With every choice comes a consequence. Remember when God said, "Choose you this day whom you will serve"? This robber chose evil, and he paid for it with his life. Ultimately, God allowed this to happen because of the bad choice that the robber made. Along with freedom of choice comes sometimes hefty consequences.
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