JOHN D.’S VALET BOUGHT OIL STOCK.New York, uee. 28.—junn D Rockefeller has discharged his confidential man, who for twenty years guarded tlio door of the oU king's residence and acted as the millionaire's vulet, bodyguard and trusted messenger, having been also special attendant for the children before they grew up and got marrl e«LOn the eve of the Christmas holidays the Stahflard Oil magnate called Henry Prendergast Into his library and sternly told him to find another place. Prendergast, by his own confession, was guilty of buying ten shares of stock with part of bis accumulated savings of years. There ares, different versions of the last interview between master and man, but there is no question as to Prendergast’s offending. In a moment of confidence he imparted to | John D. Rockefeller. Jr.. that he hao I Invested some of his earnings in a small block of stock. John D.. Jr.. at once told his father and Prandergast : was discharged.The oil king told his employe that if i he bought the stock, expecting a rise, he .was gambling, and trying to . get something for nothing, and (hat if he had acted on any information or hints ! learned within the walls of the Rocke* i feller house he was guilty of grave in-! discretion*