Possible Clues:

• Sit rig up on the Asian river
• Gentleman and unpleasant person capsizing in river
• Game teacher raised in river out East
• Flower is good in territory’s first flag
• Teacher, soldier and tenor setting up one those with banks in Iraq?
• Sit rig into the Asian river
• River flowing from the Garden of Eden, in the Bible
• It flows from Turkey to the Persian Gulf
• Losing energy, predator is in waterway
• 8 is under grit spreader