1. dummy or portrait of person.   Hint First letter clue   2. laymen.   First letter clue   3. businessman or person into risky ventures.   First letter clue   4. one who intrudes into others' affairs (for profit).   First letter clue   5. person who is unable to pay his debts.   First letter clue   6. person who studies lineage and pedigree.   First letter clue   7. person who is unable to sleep.   First letter clue