Professionalisation of Journalism has been a subject under global scrutiny since the nineteenth century. Contemporary studies show how journalism profession grapples with the implementation of standard journalism education and practices across the globe. The author discovered that the development of journalism has remarkable link with the advent of Christianity, however, an apparent decline of ethical values in higher education and professional practices abound thereby revealing the type of quality of education provided and the substandard nature of journalistic Professionalisation. Empirical research conducted in this regard geared towards assessing the socio-ethical relevance of Professionalisation as beneficial to democratic development, and the challenges journalists encounter that hinder the implementation of professional ethics and cultural values as a contribution to human dignity, rights, justice, solidarity and the common good. To critically examine these phenomena, this research study is anchored of scientific materials. It adopted the "see-judge-act" (A Theological methodology approach used in appraising socio-ethical situations) as well as qualitative and quantitative methods. The researcher conducted thirteen semi-standardised interviews as well as analysed 200 data samples (twenty-three questions) with Mayring model and (SPSS) was used to evaluate the quantitative data. The research results showed the thirteen different interview partners unanimously consented that "journalism in Nigeria must be professionalised" and "there is need to integrate Christian social ethics and culture driven values into the training curriculum" if journalists are to regain their credibility and integrity. The tested hypotheses showed statistical significance (p