denaturalise,
denaturalize strip of the rights and duties of citizenship; "The former Nazi was denaturalized"
modify,
alter,
change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
immigrate come into a new country and change residency; "Many people immigrated at the beginning of the 20th century"
denaturalise,
denaturalize strip of the rights and duties of citizenship; "The former Nazi was denaturalized"
modify,
alter,
change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
naturalize -
adopt to another place; "The stories had become naturalized into an American setting"