Beta Tester
Beta Testers are people who volunteer themselves to always opt-in in to any A/B TestingsA/B testings or any kind of tests that need users to use the system in its closed or even opened beta phase.
The system may or may not pick all of these beta testers but they are all willing to join anywaysanyway.
They are ready to use the system without being informed that if anything is for testing purposepurposes. However, when asked or surveyed, they will always provide feedback with honesty.
This role should be assigned/unassigned manually by moderator or staff, but the user must be able to quit the role at anytimeany time.