In Congo, a New Era With Old Burdens
Article, Fragile Giant, examines some aspects of Zaire's troubled legacy, and prospects for its future following ouster of Pres Mobutu Sese Seko by Zairian rebels; many Zairians who survived three-decade dictatorship are looking forward to new phase, even as they look back at squandered decades and wasted lives under corrupt dictatorship; even though country has chance to remake itself, it faces daunting obstacles; its 47 million people live in far grimmer conditions than four decades ago, when it was Belgian colony brimming with optimism; Zairians are among poorest people in world, with average income of just $150 per year, even though country is about as rich in resources as any nation in world; country's failures are emblematic of group of nations in Africa that have been disasters for inhabitants since winning independence; decline has not only been economic, since family unit has been torn at seams; majority of children cannot graduate from elementary school, compared with colonial times when Zaire had one of highest school attendance rates in Africa; many illiterate young people are members of lost generation that will impose burden on country for half century to come; demise of once-prosperous Funidi family described; photos; map (L)