Mtume, mitume ("prophet", originally "messenger") is derived from -tuma.
And so is mtumwa ("slave"). They both essentially mean "one who is sent".
This came as a "type what you hear" exercise but there is no audio. Reported on 2018-12-23
So what is it the difference between kupelela and kutuma?
Kutuma can also be to use...kupeleka is to send something