He then taught at missionary schools in Stampriet , Gochas and Hoachanas until 1946 and became headmaster at Hoachanas in 1949 .
Kooper studied with the Rhenish Missionary Society and received teacher training in Okahandja from 1939 to 1942 .
Kooper then taught at missionary schools in Stampriet , Gochas and Hoachanas until 1946 and became headmaster at Hoachanas in 1949 .
Kooper studied with the Rhenish Missionary Society and received teacher training in Okahandja from 1939 to 1942 .