check in *:\mirserver\Mir200\Castle\0\sabukw.txt
most files have the archers in there chinese writing change it to whatevver you wanna use
also check the file D:\mirserver\Mir200\Envir\Npc_def\Administrator-0150.txt and make sure the script is right it should use the cmd @hirearchernow1... 1 is the first mob in your \Castle\0\sabukw.txt