Guys, let's both keep this civil and on topic. First of all, I have been dealing with my own tailed beast issues, so until this thing blew up after I woke up from my nap, I haven't had a chance to look over this.
Second of all, the matter of stripping for inactivity is at this point subjective. The hosts actually going out and doing their turns in public has been laxly controlled for some time now (I at least have not been stalking the new jinchs to see if they have been keeping up) and even if it were strictly enforced, as stated, the character of Isa is not permitted to just up and leave the village whenever.
Granted, he can still post in the village board, and as much as that makes him feel awkward, it is an option. Kiri purposely handicapping one of their own jinchurikii when they know that he needs to post in relative public in order to be considered active by watchdogs (who get sniffy only when called in from what I've observed) is part of the reason Isa is in this mess. Biju fights take place in challenge format, not all out RP brawls like they used to.
There is no reason for Kiri to confine the host, especially since they feel he is safe enough to stay in the village relatively alone while there is still an organization out there that, IC-wise, is capable of trying to snatch him up while everyone is gone. This is what I have gathered from what sides of the story have been presented.
It was never edited into the official rules page, like many other alterations to the biju rules that have taken place in the past three or so months, that challengers cannot deny challenges. That whole thing with Bocc and Dart and Masane should have been more than enough coverage for Isa to have picked up on that as far as I'm concerned.
Seniority is part of the reason there is a clash of interests here. Having been here as long as you have, you should pretty much know how it works by now, and whether you decide to put any voice or effort into the forums regularly is your business, whether it be pure time constraints or preference.
Stripping Isa of the tailed beast and then having the very village helped handicap him in the first place decide where it goes next is, in my opinion, absurd. Are you going to smack the donkey for being guided to the cliff, and grant the rider a chance to drive another donkey to the same cliff, only for both to fall?
I am not saying it's not Isa's fault, but Kiri is not exactly scot free in this either based on Isa's defense.
As an added bit because of the new replies, the challenge list, I believe, is supposed to be inherited by the new host. I don't recall there being any thread to the contrary about that.
*Dat grammar