Who is Albert from What Dreams May Come: A Novel and what is their importance?

Albert is a cousin of Chris's who guides him through heaven. His job is to go into Hell to help the people living there. Albert is with Chris throughout the entire journey into the lower realm, looking for Ann. Without Albert, Chris would likely not have made it through the bowels of Hell. After Chris's decision to stay with Ann, he is in the Hall of Rest where he must get enough rest before Albert can then join him again. Against all rules and recommendations, Albert once again helps Chris to break the rules and learn about the process of rebirth and become reincarnated immediately.