apostasy

noun apostasy

• tergiversation — to change repeatedly one's attitude or opinions with respect to a cause, subject, etc.; equivocate.
• abandonment — The abandonment of a place, thing, or person is the act of leaving it permanently or for a long time, especially when you should not do so.
• self-estrangement — to turn away in feeling or affection; make unfriendly or hostile; alienate the affections of: Their quarrel estranged the two friends.
• dereliction — If a building or a piece of land is in a state of dereliction, it is deserted or abandoned.
• disaffection — the absence or alienation of affection or goodwill; estrangement; disloyalty: Disaffection often leads to outright treason.