A member of the SWAPO Central Committee since 1991, Kapewasha was appointed Namibia's High Commissioner to India in September 2005 following a six-year stint in the same position in Russia.
Born in Oshinyadhila, Oshana Region, Kapewasha graduated from Ongwediva Training College in 1970.
In 2003, he earned a diploma in Security, Defence and Law Enforcement at the Mikhail Lomonosov Academy in Moscow.
Kapewasha was a SWAPO youth activist until his arrest alongside Jerry Ekandjo and Jacob Nghidinwa in 1973.
Following release, he rejoined political activism with the SWAPO Youth League and was elected Deputy Secretary of the organization in 1989.