The phrase "obscene wealth" refers to an extremely large amount of money or riches that is considered morally offensive, excessive, or shocking to others. Full definition
Thousands of civilians were killed and several hundreds of thousands displaced from their homes and living in refugee camps; both in Nigeria and in the neighbouring countries, while those that looted and shared the war fund live and swim in obscene wealth and luxury, with properties and bank accounts littered in Nigeria and in foreign countries, just as majority of Nigerian masses live in abject poverty and helplessness. (nigeriapoliticsonline.com)