I have a list owner that keeps getting this message when she tries to delet
someone.  She is using the command   quiet del (email address).   Why would
she get this??

You are not a registered NAD (Node Administrator) for node OCLC.ORG. The
NADs   for  this   node   are   [log in to unmask],  [log in to unmask]   and
[log in to unmask]

OCLC-CJK: You are not authorized to act on behalf of [log in to unmask] No
action taken.

[log in to unmask] is not subscribed to the OCLC-CJK list.