Hoarding: Why Do People Hoard? How Do You Know If Someone Is a Hoarder or Just a Pack Rat? What makes someone a hoarder? How do you help a hoarder? Debbie Miller, Certified Senior Advisor and Certified Aging-in-Place Specialist, will discuss this timely topic. She has worked with many hoarders over the past 20 years and will share research on how hoarders think and what makes them the way they are.