~OLCommand :~RS arrest
~OLUsage   :~RS arrest <user>

Sends the given user to jail (if there is an allocated jail room) and sets
their level to JAILED.   If the users logs off and then back on they will
remain JAILED and be sent automatically to jail room.  If no jail room is
allocated then they will remain in the main room, although be JAILED.  The
user does not have to be online to be arrested.  The arrest is level
based, in that if an ARCH arrests someone then only an ARCH or higher can
unarrest them.  The arresting level is displayed in the ustat.