In an effort to make teams better, it can be tempting to track individual "performance" in a few ways. Without realizing it, team members are often pitted against each other with these kinds of metrics, when what really matters is solving problems for our customers and users.
The Four Stances for Scrum Masters
As a servant leader, the Scrum Master “focuses primarily on the growth and well-being of people and…helps people develop and perform as highly as possible.” In order to maximize team and organizational performance, the Scrum Master will often choose different stances depending on the situation and desired outcomes.