Juvenile
Those who stand on top of a village are juvenile. Imagine a bunch of young people standing on the roofs of buildings in the village. That's a juvenile thing to do.
どう
None
None
Mostly, though, the juveniles are standing on top of village buildings, eating doughnuts (どう).
An update is needed before you can continue but you have more than one WaniKani tab open.
Finish up what ever you are doing on the other tab(s), then close them to continue.
The update will complete automatically once the other tab(s) are closed.