The only 2 outfits that you can get on rook is the citizen outfit and the druid outfit(1st addon)
To get the citizen outfit you need to collect 100chicken feather (on the premium side of the island), 50 honeycomb and get a legion helmet. Then go to NPC norma and ask for outfit.
To get the druid outfit you need to colect Norma and ask for outfit.
To get the druid outfit you need to collect 50 bearpaws and 50 wolfpaws Wolf Paws then go to NPC Tom and ask for outfit.