Faithful was showing him that it was Christ's death that would make him acceptable and righteous before God. What he needed to do was believe on him.
Hopeful prays this, over and over again but nothing happens. This again shows that praying or doing things on our own cannot save us. But finally, God shows himself to Hopeful:
His life is changed:
Hopeful now lives for Christ and is willing to give everything for him.
This is what it means to be a Christian. You can read this dialogue in modern language here starting on p. 170.