Answer : 1. "Fabio Quartaro"
Explanation :

The 2021 FIM MotoGP World Championship was the premier class of the 73rd F.I.M. Road Racing World Championship season. Fabio Quartararo won his first world title, with five race wins ahead of securing the title in the third last race of the season. Quartararo became the first-ever Frenchman to win the premier class title, which was also the first title for a non-Spanish rider since Australian Casey Stoner in 2011. The season also saw Francesco Bagnaia and Jorge Martín win their first premier-class races. In the overall standings, Bagnaia secured second place and reigning champion Joan Mir secured third place, while Martín was named Rookie of the Year. Ducati secured the constructors' championship for the second consecutive season and the teams' championship for the first time since 2007. In total, eight different riders won the Grand Prix during the season.