People Tanzania Eng. Robert Gabriel Luhumbi peoplepill id: eng-robert-gabriel-luhumbiERGL 13 views today 13 views this weekEng. Robert Gabriel LuhumbiBiographyListsAlso ViewedListsEng. Robert Gabriel Luhumbi is in following listsBy work and/or countryNotable Tanzanian peopleGender:MaleFrom our partnersSponsoredEng. Robert Gabriel Luhumbi