1. gang or troop of nomads.   Hint First letter clue   2. person who is ungrateful.   First letter clue   3. person who studies reptiles.   First letter clue   4. one known for one's learning or celebrity.   First letter clue   5. dissatisfied person.   First letter clue   6. depressing person or spoilsport.   First letter clue   7. criminal or wrongdoer.   First letter clue