How could a peasant show loyalty to a vassal?

The hands of his lord and promised to keep the faith and loyalty to his lord against all others. ... He showed his loyalty by serving in his lord's army. What did the lord give to the vassal for his loyalty? The lord granted him a fief

concurrent jurisdiction is the ability to exercise judicial review by different courts at the same time, within the same territory, and over the same subject matter. for instance, a domestic violence matter may be heard in either a general civil court or a family court in the same county. whichever court actually exercises its jurisdiction first will do so exclusively.