ZoroTraineeWriter
he could help uzumaki like improve it using modern knowledge or try to recreate some modernity and ninja school, medical, etc.. Mostly to ensure that uzumaki would be his base. I do hope he tries to poach or look for dying clan like those who didn't/could not join any founding village may it be because they have flaws the reason is simply diversity for the uzumaki.(but there is a flaw in my idea since uzumaki is allied with konoha at the moment with a blood bond with mito his plans could be copied or be holt