One who is poor but lives in optimistic expectation of a better future; an eternal optimist.
1) He shall never give up being a micawber.
2) Dickens's father by immortalized for ever as Mr Micawber in 'David Copperfield'.
Wilkins Micawber, character is the novel David Copperfield(1849-50) by Charles Dickens.
optimist, dreamer, romantic, visionary, hopeful
pessimist, deafeatist, fatalist.