Born and raised in a diverse community, Yasmina developed a strong passion for helping others from a young age. She pursued a career in nursing, driven by a desire to make a positive impact on people's lives. After completing her nursing degree, Yasmina began working in a busy hospital, where she quickly gained a reputation for her exceptional care and attention to detail.

First and foremost, Yaz serves as an emotional and ethical nurse to the Doctor herself. The Thirteenth Doctor, while brilliant and compassionate, is often emotionally guarded, preferring to deflect vulnerability with manic energy and a list of rules she struggles to follow. Yaz repeatedly steps into the role of a calm, non-judgmental caregiver. She listens when the Doctor refuses to confide in others, she notices the small signs of exhaustion or guilt, and she consistently offers a safe space for the Doctor to express doubt. Like a skilled nurse who reads a patient’s unspoken pain, Yaz intuits the Doctor’s loneliness, particularly after the losses of Ryan and Graham. Her loyalty is not born of awe but of a quiet, professional-grade commitment to the well-being of her charge. She asks the questions the Doctor avoids, not to challenge, but to heal.

"Get the rapid infuser going," she ordered, not looking up. She placed a hand on the man's chest, feeling the erratic rhythm. "Come on, stay with me."