The first time this female contractor encountered Kisame Hoshigaki, her impression on him was that her combat strength was not strong.
If she is a Worker and opened a personal affinity with Kisame, her reason for joining the Akatsuki Organization is simple: to cling to a powerful figure and use her support ability to gain Kisame's shelter.
This is quite common. Compared to Contractors, powerful plot characters are the most favorable choice for workers. First, they can learn about the character and morality of plot characters through the original work, as well as extremely detailed personal data. Seeking protection from contractors is different, akin to gambling.
"Let's not discuss these things, that side might not hold out much longer."
Su Xiao suddenly spoke, and by 'that side', he meant Deidara, since the female Worker was present.
Obito immediately understood Su Xiao's intention.
"Yes, let's handle that first."
"What are you...?"
