Is There A Mod Or How Do I?

[g0dfather1984]

Suspend a persons posting rights? I don't want to fully ban them.

VBulletin 3.71 btw.

[Alfa1]

Just create a new usergroup and adjust the permissions for this usergroup. You can also lock the usergroup in a area and let them out when they learned to behave.

[Videx]

Consider using https://vborg.vbsupport.ru/showthread.php?t=121886