It is not the objective of this site to explain scouting as there are many resources that can do this better. But if you want to know more, the following resources can help:
Many Groups have their own websites as well. These are linked on the Liesbeek District page.
Generally, if you have children between the ages of 5 and 18 or you are an adult looking to give back or for a organisation that enables you not only to help others but also gives you self development, consider scouts for your children or for yousrself.