The invention of social media has had a transformative impact on the field of journalism, leading to the emergence of citizen journalism, which has empowered individuals to share information with the public, laying the foundations for social media advocacy. This chapter explores public engagement in social media advocacy and citizen journalism practice in Nigeria using the framing theory and a content analysis research design. The trigger for the chapter was the significant number of engagements and reactions to the #JusticeforSylvester bullying case generated on Instagram and Twitter. The findings revealed a clear relationship between the level of engagement and reaction. The chapter recommends that bloggers should engage actively in citizen journalism by raising awareness, enabling society to stay well informed. The chapter also aligns with Sustainable Developmental Goal 16.2, which aims to combat child abuse, exploitation, trafficking, and violence against children.