By Sourit Sanyal With 23 Grand Slams in her cabinet, Serena Williams does not need an introduction. In the world of tennis, she is one of the greatest athletes to grace the noble sport. Outside the court, she is an icon, playing multiple roles. From an African American woman who became one of the most decorated athletes in the history of a white-dominated sport to a mother who won multiple grand slams while upbringing a child, Williams has been a role model for upcoming future stars and people of colour, including the likes of compatriot Coco Gauff and Emma Raducanu, the defending US Open winn…