for adding ppl to user use /manuadd player group
example /manuadd newguy user
before adding remember to use /Lookup player
example /lookup newguy
this will show if he has been banned from other servers and the reason why.
when using WorldEdit BE VERY CAREFUL if u make to big objects or stack to far you might crash the whole server and destroy the map, so make sure to train with it far of any town or buildings.