The present condition of Nigeria economy is seriously perturbing and this needed to be addressed. Many leaders are habitually corrupt, dissipate the resources of this nation and less privilege are wallowing in abject poverty. A lot of lootings have been discovered but still squander by who and who. This work looks into the relevance of the exegetical study of a biblical text and its implications on the issue of human corruption in the Nigerian context. The focus of this study is to consider how good governance can be applied as the best approach to resolving idiocracy of human corruption. II Kings 5:20-27 is therefore examined and critically analyzed in order to discover how covetousness, self-centered and lack of discipline could uprightly endanger an individual and the whole nation through selfish leader. Therefore, this paper, adopted historical, descriptive and exegetical methods to investigate, analyze and peruse various causes of human corruption. Thus, the paper enumerates the nemesis of Gehazi covetousness, if considered and implemented would sustain good governance; Nigerian democracy; freedom from nepotism, bigotry and tribalism. Also, it would permanently establish peace in the nation and inculcate in the mind of the Youths the reverberation of not living right. To this end, the paper concludes that employing II Kings 5:20-27 would help to accelerate democratic sustainability and governance in Nigeria.