Possible Clues:

• Treachery in a job, say, when badly treated
• A job, say, changed with change of views?
• Abandonment of one's religion
• Rejection of religion
• Desertion of dogma
• Renunciation of religious or political beliefs
• That's a job, that is to say, that's been abandoned
• Abandonment of religious beliefs
• A lot of letters, say, about abandoning principles
• Abandonment of religion