C'est le composant "Multi Player Kick-Out Patch" du mod Ease of use qui permet cela :
Multi Player Kick-Out Patch
Allows you to ask multi-player created NPCs to "wait here" or "go to the
copper coronet" or "go to the pocket plane" when you kick them out. You can
pick them back up later. Without this they just disappear forever if you
kick them out.
"Well, if you're risking death, why not have fun ? If I wanted to risk death without having fun, I'd be a tax collector, not a thief."