If your shoes are rubbing the back of your ankle until it's raw than you should get more proper fitting shoes for your feet. Either that, or put bandages on your ankles or socks if they are thick enough.
A sprained ankle, also known as an ankle sprain, twisted ankle, rolled ankle, floppy ankle, ankle injury or ankle ligament injury, is a common medical condition where one or more of the ligaments of the ankle is torn or partially torn.
Hospitality is the relationship between the guest and the host, or the act or practice of being hospitable. This includes the reception and entertainment of guests, visitors, or strangers.