Sunday Charity attended Aipe Primary School, completing her education with primary six in 1984. Due to limited opportunities for female education, she could not pursue further education. Sunday then got married and began providing for her family. She worked as a school caterer at Ombaci Secondary School alongside doing gardening work. She then secured employment as an RMF Sanitary Officer in 2016.
Sunday speaks Kakwa, Arabic, Lugbara, and Swahili, which was the foundation for her employment with RMF.