meanness    ubujōra
(of one who rules others) itūntu
En-En dictionary 
itūntu (ama-)     5  class 5
singular: i-,iri-
plural: ama-
  
1. one who rules others, 2. cheekiness, 3. unwillingness to be told, 4. meanness
ubujōra     8  class 8
singular: ubu-
  
(no pl.) meanness and quarrelsomeness