What is the role of the character Zero's student, the deaf assassin, in John Wick: Chapter 3 - Parabellum?

In the movie, John Wick: Chapter 3 - Parabellum, the character Zero is portrayed as the main antagonist, and his deaf student serves as one of his top henchmen.

The deaf assassin is introduced early on in the film, and is shown to be highly skilled in hand-to-hand combat and in the use of firearms. She is fiercely loyal to Zero and serves as his enforcer, carrying out his orders with ruthless efficiency. Despite her disability, she proves to be a formidable opponent for John Wick, engaging him in a brutal fight sequence towards the end of the movie.

Overall, the role of the deaf assassin in John Wick: Chapter 3 - Parabellum is to add another layer of danger and intrigue to the film, as well as to showcase the impressive fighting skills of the character.