guhumānya (-humānije)     v    1. to dishonor, 2. defile, make unclean
defile    (to ~) guhumānya
(to ~ oneself) kwīhumanya
En-En dictionary 
dishonor    ibara
(to ~) guhumānya
En-En dictionary 
 guhumanya found in: Kirundi II (Grammar)
chapter 31   Causatives formed irregularly