...in other words, yes, the subject of the RO should leave if he/she should happen to find him/herself in the same space as the survivor, but the survivor should not deliberately go places with the specific intent of running into the subject and making him/her leave. Which is what seemed to be about to happen here.

This is something that had bothered me about this side of the situation that night, quite apart from the question of whether Judah ought to have even been welcomed by the hosts in the first place.