UnScramble this Word: a r i g n b r?

Questions

A person who boasts himself hard to please because nobody tries to please him?

A person whom we know well enough to borrow from,but not well enough to lend to?

A woman with a fine prospect of happiness behind her?

To perform successively and successfuly mastication,humectation & deglutition?

Kazantzakis novel which became an Oscar-winning film in 1964?