Terry and Amy Ruff have a long history of movement leadership in West Africa. Their leadership team has been training Zúme before it was Zúme, but now with Zúme they overcome the challenges of illiteracy, poverty of media or internet access, and other challenges to see fruitful multiplication.
People who do not read and write can be underestimated regarding what they can do as disciples. But Terry and Amy are seeing these oral learners succeed in faithfulness and disciple-making, if time is taken to serve them in ways they can access the training.
Training cross-culturally requires patience and discernment and ends up meaning investing in the few.