Who is Mma Ramotswe from The Kalahari Typing School for Men and what is their importance?

Mma Ramotswe is middle-aged, recently engaged, and a successful business owner. Mma Ramotswe, however, has found a man who needs her to care for him, and she is quite content in the relationship. She has also taken in two orphans. The eldest is a girl who required the use of a wheelchair. The younger child is a boy who has recently been developing behavior problems. Mma Ramotswe worries about thee children, all while trying to tackle other problems that occur at the same time.