ubutoni     8  class 8
singular: ubu-
  
(no pl.) favor, favoritism
favor    ubutoni
(to ~) gushīnga
(to ~ unjustly) kubera
En-En dictionary 
favoritism    urwānkūnzi, ubutoni
En-En dictionary 
 ubutoni found in: Imyibutsa (proverbs)
Umwibutsa 385   Ubutoni bwa cane busobesha...