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• Abandoning of one's belief
• Abandonment of one's faith
• Defection
• Defector's crime
• Desertion of a cause
• Desertion of dogma
• Renegade's act
• Renunciation of faith
• The act of abandoning a party or cause
• The state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes)