director    umuyobozi
(cooperatives director) umuyobozi w'ikoperative, w'ishirahamwe
(principal) umuyobozi w’ishule
En-En dictionary 
principal    (school director) umuyobozi w’ishule
En-En dictionary 
umuyobozi (aba-  1  class 1
singular: umu-
plural: aba-
  
boss, chef, director