The Help Center article 10X: Assign Team Roles depicts several team roles that can be allocated to members of teams of all types.
However, when compared with the roles actually present in the application, this document is missing the following roles:

^{Roles with an are present in the doc, while roles marked with an are absent}

Portfolio Teams

• Business Owner
• Enterprise Architect
• Epic Owner

Program Teams

• Release Train Engineer
• Stakeholder
• Team of Team

Agile Teams

• Analyst
• Architect
• Developer
• Documentation
• Product Owner
• QA Lead
• Scrum Master
• Stakeholder
• Team Coach
• Tester
• UX
  
  Pre-10.30:
• Business Owner
• Enterprise Owner
• Epic Owner
• Release Train Engineer

Both Process Flow Team and Kanban Team types are also absent from this document.

Process Flow Team

• Stakeholder
• Team of Team

Kanban Team

• (same roles as Agile Team)