Does God cause suffering to save people from sin?
Take a look at James 1:13:
When under trial, let no one say: “I am being tried by God.” For with evil things God cannot be tried, nor does he himself try anyone.
So, God isn't the one causing us to suffer. If he did, that would go against Job 34:12 "God does not act wickedly."
James 1:14, 15 ...