He says "ma'am, I am tonight". He's saying he's caught up in the power of the moment, not that he really is a christian, otherwise he'd have said, "Yes Ma'am I am a Christian".
He says "ma'am, I am tonight". He's saying he's caught up in the power of the moment, not that he really is a christian, otherwise he'd have said, "Yes Ma'am I am a Christian".