1. voyage or journey with a definite purpose   silt   archery   disciple   expedition   Hint Half-n-half Clue   2. sediment rich in minerals deposited by moving water or flooding rivers   silt   expedition   fief   anthropologist   Half-n-half Clue   3. scientist who studies prehistoric remains and artifacts of early man   haiku   archaeologist   expedition   alliance   Half-n-half Clue   4. rule of emperor or control of colony / region by another country   statesman   nomad   sage   imperialism   Half-n-half Clue   5. wise experienced practical politician involved in management of State affairs   statesman   simony   caste   disciple   Half-n-half Clue   6. social class in Hindu society based on birth   statue   zaibatsu   nomad   caste   Half-n-half Clue   7. student or follower of a leader of religious thought   Brahma   statesman   colony   disciple   Half-n-half Clue