The brat chaser is the dominant to the submissive passionate brat.
The brat chaser has a consistent need to constantly be in anticipation, not knowing how their partner really ever feels, surging pleasure and reward for their efforts of chasing when they are rewarded.
The job of the brat chaser is to affirm their desire and love for the passionate brat. Always having to try really hard to get what they want from their submissive. As if they have to claw their way through a series of obstacles just to have their submissive accept their demands.
For a more in depth explanation see: aveyrin.com/blog/4
James is the brat chaser, chasing after Sarah, trying to show her how much he loves her like they first just met.