He was also involved in supporting the Alpha course, which is run all over the world, and is designed to explain Christian beliefs and promote discussion. Primus appeared in a cinema advertisement for the movement, alongside the comedian Lennie Bennett. At his former club Portsmouth, he founded a prayer group which has included teammates such as Nwankwo Kanu, Sean Davis and Benjani. In December 2006, he took part in a "Football Focus" feature on faith in the game presented by fellow Christian footballer Gavin Peacock. On 16 April 2013, Primus played for Portsmouth in a charity match raising money for the Portsmouth supporters trust.