While in Nigeria he
- built up a flourishing mission program with lots of congregations
- started writing the Bura and Margi languages/
- published Primers.
- translated scriptures
- established schools
- set up a leprosarium
When they first arrived in Nigeria Hesler became very ill and needed to be sent away to recover. Upon his return they made several buildings so that their wives could join them. Kulp married twice. His first wife Neta died during childbirth and his second wife was named Christina.
Through offering kindness and simple medical treatment the Kulps' open their hearts to the people and lives were changed.