Possible Clues:

• Prosperous work union advanced
• No let-up working if you want to get rich
• Sumptuous duck starters in pub until time of fasting
• Rich love being disheartened in 'Love Boat'
• Most of work, granted, may make one rich
• Let up on revolting rich
• Fit for a king
• Work with leader of uprising, fast becoming rich
• Rich, old and posh covered with endless wealth
• No let-up, poor or rich