Volvie’s point exactly.. if she’s afraid of Gehenom, its because she believes. She just want’s to believe out of Ahavas Hashem, instead of Yiras Haonesh.
PCB – you have your work cut out for you! Ask for help, read lots of books for ideas on how to approach the subject (R’ Kaplan’s anthologies are a very good source) and with a healthy dose of syata dishmaya, you’ll do fine. If you know the product you are trying to sell, people will buy it!