Okay kiddo, so have you ever heard of a special group called the Senusiyya? They were a group of people who believed in a certain way of practicing their religion called Islam. They started in the country of Libya a long time ago, in the 19th century, by a man named Muhammad ibn Ali as-Senussi, who was a very wise and respected religious leader.
The Senusiyya had some special beliefs that made them different from other Muslims. They believed in living a simple life, without lots of fancy things. They also believed in helping others in need, like poor people or travelers, and they had special places called zawiyas where people could come to learn about their religion and get help.
The Senusiyya became very popular and spread their beliefs to other countries too, like Egypt, Sudan, Chad, and even as far as Indonesia! They were also known for being very brave fighters, and they helped defend their people and their religion from other groups who tried to take over their land.
So there you go, that's the Senusiyya in a nutshell - a group of people who believed in a special way of practicing their religion, lived a simple life, helped others in need, and were brave fighters too!