umwūbatsi (ab-  1  class 1
singular: umu-
plural: aba-
  
builder
builder    umwūbatsi
En-En dictionary 
mason    umwūbatsi, umufūndi
En-En dictionary 
 umwubatsi found in: Kirundi I (Study lessons)
lesson 84   Past of Passives
lesson 114   Quotations, Direct and Indirect