Zooflagellate
Some species are parasitic , causing diseases such as the African Sleeping Sickness , caused by the zooflagellate "Trypanosoma brucei" . 
<triplet> African Sleeping Sickness <subj> Trypanosoma brucei <obj> has cause <triplet> Trypanosoma brucei <subj> African Sleeping Sickness <obj> has effect