immoderate desire for wealth; greed

 one who lends money, at interest, especially at an unusually or unlawfully high rate

Gloomy/sad

engaging in risky business transactions on the chance of a quick or considerable profit.

create (an argument or a sentence, for  example) by systematically arranging ideas or terms

to enlarge; to express at length or in detail

to point out; to signify

to strengthen something by adding extra support

the character or part played by a performer; the expected behavior of an individual in society; a function or position