Which best describes the author's primary purpose in the prologue of free the children

Craig Kielburger, Kevin Major have authored this book. The prologue summarizes life of Iqbal Masih who was earlier a child-slave rescued by Craig Kielburger's organisation'Free The Children'. He was a 12 year old from Pakistan. the prologue in detail covers the kind of reception he received when he climbed on to the stage and the kind of vision he had for himself and fellow children.

Explanation:

This book is about a boy's transformation to becoming an activist from a very humble background. As an activist he fights for human rights on a global scale.