"estrange" in the verb sense
remove from customary environment or associations
"years of boarding school estranged the child from her home"
2. estrange, alienate, disaffect
arouse hostility or indifference in where there had formerly been love, affection, or friendliness
"She alienated her friends when she became fanatically religious"
Source: WordNet® (An amazing lexical database of English)
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