Reheating Chicken By Frying How Do You Reheat Fried Chicken Without Using The Conventional Equipment (microwave, Oven, Etc)?

How do you reheat fried chicken without using the conventional equipment (microwave, oven, etc)? - reheating chicken by frying

Me and my partner has our reach, allegedly cook for a poor family. We can Fried Chicken for them, but not cook the chicken in the house, we had someone to cook for us, and we are here is heat. The problem is that I do not know how and what they have, there is a furnace.