Human__Ramen
I like to pretend I roleplay
So that means that Nikita is purely logical whilst Kate is somewhat selfishI guess you are right about them being similar. But I wanna make it clear that Nikita is not protective. He just uses the information available to him in order to come to a conclusion that would be best for the survival of him and those that protect him without any regard for moral and ethical issues. He does not really care about those around him personality wise. He helps medically them because if they were down, there would be less people protecting him.
We can make this work-