messenger    intumwa, umutumwa
En-En dictionary 
intumwa (in-  3  class 3
singular: i-,in-
plural: i-,in-
  
messenger, apostle, envoy
umutumwa (aba-)     1  class 1
singular: umu-
plural: aba-
  
messenger, apostle, envoy
 messenger found in: Kirundi II (Grammar)
chapter 9   “immediately”