neglect    kwānjānjwa
(one's work) kwigaramangira, gusibānganya
En-En dictionary 
gusibanganya (-sibanganije)     v    1. to blot out, dig up, plough badly, 2. to fail to do one's task, 3. to neglect one's work
kwānjānjwa (-ānjānjwe)     v    1. to hold lightly, 2. be careless with, 3. to neglect
kwīgaramangira (-īgaramangiye)     v    1. to be idle, 2. neglect one's work