We don't have synonyms for bariba yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are kariba, zariba and barba.
(n) :
The principal inhabitants of Borgou and Alibori Departments, Benin, and cofounders of the Borgu kingdom of what is now northeast Benin and west-central Nigeria.
(n) :
The principal inhabitants of Borgou and Alibori Departments, Benin, and cofounders of the Borgu kingdom of what is now northeast Benin and west-central Nigeria.