Sit them on an
antigrav platform,(entities/scifi/scenery), then give it this script......
;Artificial Intelligence Script
;Header
desc = Follow Waypoints with no rotation and player locked (platform)
;Triggers
:state=0,plrdistwithin=40:state=1,norotate=1
:state=1,plrdistfurther=41:plrmoveto=lift
:state=1,waypointstate=0:animate=2,waypointstart
:state=1,waypointstate=3:animate=2,waypointnext
:state=1,waypointstate=4:animate=2,waypointrandom
:state=1,waypointstate=5:state=2
:state=2:none
;End of Script
Please note that waypoints are buggy and will sometimes cease to work, you were warned......