Possible Clues:

• English sailors expressing a feeling of resentment
• "I wish I had that!" feeling
• Sin among men vying
• 'It should have happened to me instead' feeling
• Green with __
• Spite of ambassador cancelling ball
• 'I want what they have' feeling
• Desire for what another has
• Green energy?
• Alphabetically in English, the first of the seven deadly sins