in der memb_list.php die Abfrage
$erg = db_query("SELECT
posts,
prefix_user.id,
prefix_grundrechte.name as recht_name,
regist,
prefix_user.name
FROM prefix_user
LEFT JOIN prefix_grundrechte ON prefix_user.recht = prefix_grundrechte.id
ORDER by recht,prefix_user.posts DESC LIMIT ".$anfang.",".$limit);
ändern zu
$erg = db_query("SELECT
posts,
prefix_user.id,
prefix_grundrechte.name as recht_name,
regist,
prefix_user.name
FROM prefix_user
LEFT JOIN prefix_grundrechte ON prefix_user.recht = prefix_grundrechte.id WHERE recht <=-3
ORDER by recht,prefix_user.posts DESC LIMIT ".$anfang.",".$limit);
Das
WHERE recht <=-3 im Code kannst du natürlich auf jeden Status ändern