Dave Plowman wrote:

Is it a moderated group? To keep out the OT stuff on here?

https://support.mewe.com/hc/en-us/articles/360052820214-Group-moderation

"As a group owner/admin, you are given great moderation tools to
keep any spammers or bad actors out of your group. This includes
the ability to remove members from your group and block them.
You can also assign group admins to help you moderate your
group."

Who is the owner?