Answer:
He suffers from the sin he committed with the constant fear of being condemned to hell after his death.
Step-by-step explanation:
He suffers from the sin he committed with the constant fear of being condemned to hell after his death. This thought terrifies Tom and takes away all the peace and quiet, because he is very afraid. This makes him desperately look for a church and become a religious fanatic to the point of looking like a madman, begging for his religiosity to save him, but he doesn't get that grace.