Final answer:
The Scrum Master should have a private conversation with the team member to understand their reluctance to participate in the Sprint Review.
Step-by-step explanation:
If a team member does not want to participate in the Sprint Review event, an initial step that the Scrum Master should take is to have a private conversation to understand the reasons behind the reluctance. This approach aligns with agile values which emphasize individuals and interactions over processes and tools. By having a private conversation, the Scrum Master can explore any underlying issues the team member may face, offer support, and find a solution that benefits both the team member and the team. Removing the team member from the Scrum team, ignoring the concern, or escalating the issue to upper management are responses that are less likely to foster trust and collaboration within the team.