Human: How did Arthur Friedenreich demonstrate his skills in football? Assistant: 
Arthur Friedenreich, a Brazilian soccer player with African and European heritage, experienced the upward social mobility during the 1910s through demonstrating his skills in football. However, he did not categorize himself as non-white but rather preferred to be identified as white because it was the color that was "traditionally accepted by Brazilian elites. "Moreover, worldly renown football stars in the contemporary society such as Roberto Carlos, Ronaldo, and Neymar Jr. refused to be racially identified as black but rather as white