fearless    (to be) guhangāra, kurīndūka, gushirukanya, gushira amanga, gutīnyūka
En-En dictionary 
gutīnyūka (-tīnyūtse)     v    to dare, be fearless
guhangāra (-hangāye)     v    1. to be brave, fearless, 2. to be firm, 3. to confront
gushira amanga (-shize)   phr    1. to be brave, fearless, 2. to be determined
kurīndūka (-rīndūtse)     v    to be fearless, to dare
kwemanga (-emanze)     v    1. to witness fearlessly on behalf of another, 2. to help one in trouble
kwūbahuka (-ūbahutse)   v    1. to lack respect, be disrespectful, 2. to be insolent, 3. to dare, to be bold, 4. to speak fearlessly
ubushizi bw'amanga     8  class 8
singular: ubu-
  
fearlessness (because one knows he is right)
confidence    icīzigiro
(fearlessness because one knows he is right) ubushizi bw'amanga
(to have ~ in) kwīzigira
En-En dictionary 
fearlessness    (because one knows he is right) ubushizi bw'amanga
En-En dictionary 
speak    (speaking evil of another with whom you work) ikēba
(one who speaks with senseless repititions of words) ikirogorogo
(all speaking together) imvugarimwe
(to ~) kuvuga
(against) guhāririza
(carelessly) gufudika
(clearly) gufobōra, gutobekeranya
(distinctly) gutobora
(distinctly, not having been able to before) gutumbūra
(evil of one another) gucurikanya
(evil of) gukana, kunegura
(evil of the king) kurogota
(evil of a ruler) kuyoba
(fearlessly) kwūbahuka
(foolishly) kudebagura
(hatefully) gucobogoza
(hesitantlyusually used in negative) guhengēshanya
(in a mysterious language) gufobeka
(incoherently) kuvōvōta
(in someone's favor) gutēturura
(lightly) kujajura
(loudly) kurangurura, kurandamuka
(many words, usually quite meaningless ones) guhogōmboka
(sarcastically) kurtyekeza
(the truth) guhinyuza
(thoughtlessly) kurandamuka
(unwisely or rudely) kurofokwa
(very beseechingly) kubobōteza
(when one shouldn't) kuyogora
(where others hear voices but do not understand) guhwirima
(without arriving at point) kurerembuza
(to cause to) kuvuza
(to leave off speaking evil and speak kindly) kwigarura
(to prevent from speaking) guhwāmika
(give gift to bride so she will ~) guhorōra
(refuse to speak till given gift, as bride does) guhorōrwa
En-En dictionary 
witness    (to ~) gushīnga intahe, guhamya, kwāgiriza
(fearlessly in behalf of another) kwemānga
En-En dictionary