Establishing the feudal mentality as opposed to the mercantile one as an antagonistic pairing is as wrong as considering that history is built on the black-white dichotomy, useful perhaps from ideology, but completely far from the historical reality of any era, where there is harmony or conflict shaded in the greatest range of greys. Therefore, the title of the paper is voluntarily equivocal, an intention that further reinforce if possible by substantive the game. The relationships between men and men are studied, and between men and women, in the time span of the 14th-15th centuries, especially in the period of the merchant Torralba, the protagonist-axis of this congress.