The clothes of Cletus are in the washing machine. The laundry sect is waiting the Seer (in one of the hotel rooms) to come and speak to them.
He is not, and will not be. Get his robe
Now, enter the temple.. I mean the laundry room. They will require the sacred relics.
Try to find some items with insignia on them.
Deliver each relic to the sect
Next is a skippable minigame to get the clothes of Cletus.