Kabi was born in Khubetsoana in 1936, the eighth child of Eliza Phakisi and reverend Elijah Phakisi.Elizabeth Sleeman (2001) The International Who's Who of Women 2002 p283 After attending the National University of Lesotho, she studied at Tennessee State University in the United States and St. Francis Xavier University in Canada. In 1958 she married Motete Kabi, with whom she had two daughters and two sons. Two years later she became a member of the Basutoland Congress Party (BCP). During the state of the emergency of the 1970s, Kabi was detained by police on fourteen occasions, and was tortured eleven times.Mamoshebi Was Killed By Guilt - Dr. Phooko Mopheme, 25 May 1999 She worked at the Institute of Extra Mural Studies at the National University of Lesotho and served as secretary general of the Women's League.
