Negligent means failing to take proper care of something. So we could say something like: The doctor was charged with negligence after letting multiple people die while on his watch. Hope that helps!
Out of God' infinite mercy and love, he stepped into human history to disclose who he really is. He did this through the events of Salvation history, that is, the account (of both deeds and words) of God's saving activity for humankind. In other words, God revealed himself to the world.
Try reading the book, I know that will have ALL of the answers you will need to be successful.