as middle ground adding lisa's user id to the global ingore list would also be very helpfull

https://www.vbulletin.com/docs/html/...anning_options

Global Ignore
This option allows you to effectively add a user or users to every member's 'Ignore List'. However, users in this list can still see their own posts and threads.

Enter a list of userid numbers into the textbox, separated by spaces (for example: 4 12 68 102).


Lisa's user id is 2447