Vagabondage and Chivalry in Islam

In the year 1938 AD, I noticed a word about the fatwa while reading the songs in the translation of Hunayn ibn Ishaq. I understood from it that it has a special system, and that boys in every country have a place where they meet and a stranger asks about them and comes to them. So I followed the talk about it in the songs and elsewhere. Then my mind returned to pre-Islamic times, so I browsed some...