Ghayrat, or chivalry, so often takes the form of jealousy that the one is usually confounded with the other. This same male tendency lies at the root of duelling, a custom not foreign to any part of the world, which down the ages has been the cause of every kind of conflict and upheaval. The honor of one may be the honor of another, or of ten, or a hundred others; and thus a woman's honor may be upheld as that of a king.