Final answer:
Gabby Holland is a veterinarian, a professional who provides medical care to a variety of animals including pets, livestock, and animals in zoological settings.
Step-by-step explanation:
In the context of the question about Gabby Holland's profession, Gabby Holland is a veterinarian. Veterinarians are medical professionals who diagnose and treat ailments in animals. This includes a wide array of animal species, from domestic pets like dogs and cats to larger farm animals such as cows, sheep, and horses. Not only do veterinarians provide medical care, but they also play an important role in the health and welfare of animals, ensuring that they live healthy lives whether as family pets, on farms, or in other settings such as zoos and research laboratories.