Junius attended the Teachers Training College in Johannesburg, South Africa, graduating with a diploma.
[1] In 1971, alongside Ben Africa and John McNab, Junius founded the Rehoboth Baster Association (RBA).
[1][3] Throughout the same period, Junius served as vice-chairman of the Democratic Turnhalle Association (DTA).
From 1990 to 2003, Junius was a member of the Namibian lower house, the National Assembly, representing the DTA.
[5] On 3 April 2021, Junius died from a coronavirus-induced heart attack, in Windhoek, at the age of 79.