Trinitas is from Blantyre, Malawi. She completed her undergraduate studies in 2009 at University of Malawi, Chancellor College, majoring in English literature and minoring in drama. During her studies, Trinitas traveled to many parts of rural Malawi as a social work intern with the Creative Centre for Community Mobilization, working to mobilize rural communities around education for young girls, and advocating for women's rights. Trinitas was also a social worker at Cee and Cee Consultancy and Story Workshop, working in rural villages to mobilize for positive social change around HIV prevention, prevention of mother-to-child transmission of HIV/AIDS, water sanitation, malaria prevention and food security and nutrition. Before joining GHC, she worked with the US Peace Corps as a seasonal language and culture facilitator.