gutakāmba (-takāmvye)     v    to call loudly for help
call    (to ~) guhamagara
(in sense of name) kwīta
(continuously and persistently) kuvumereza
(for help) kwāmbaza, gutābaza, gutaka, gutakāmba
(from hill to hill) gusemerera
(loudly for help) gutakāmba
(across the hills, implies scorn of one doing it) kumoka
(to one who cannot answer) gucurīra
En-En dictionary 
shout    (to ~) gukoma indūru, gusemerera
(for help) gutakāmba, gutaka, kwāmbaza, gutabāza
(in sudden fear) gutūra ubuku
(to frighten away) kwāmira
En-En dictionary