This research work examines Heidegger's (1889-1976) contention that phenomenology can inspire, illuminate, motivate, reinforce and guide (human) individual's actions. It achieves this by adapting Heidegger's phenomenological approach to analyze and interpret representative everyday factical experiences of nepotism, selfishness and mass mentality in the (Nigerian) society. Doing this helps to ascertain whether these experiences have any phenomenological link with inauthenticity. Also, it provides a close reading and interpretation of Heidegger's treatment of authentic existence, and explores...