1. brilliant public speaker.   orthopaedist   peon   philanderer   orator   Hint Half-n-half Clue   2. person having delusions of power and grandeur.   pragmatist   orthodontist   megalomaniac   monotheist   Half-n-half Clue   3. person who believes in one God.   neurologist   misogynist   monotheist   pragmatist   Half-n-half Clue   4. doctor who deals with bones and skeletal system.   miscreant   orthopaedist   ophthalmologist   podiatrist   Half-n-half Clue   5. one who hates marriage.   pedestrian   matriarch   misogamist   toady   Half-n-half Clue   6. one who advocates or backs a cause.   proponent   optimist   monomaniac   oculist   Half-n-half Clue   7. person who studies birds.   pediatrician   ornithologist   peon   mercenary   Half-n-half Clue