We don't have synonyms for zareba yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are zariba, zaremba and zareeba.
(n) :
(chiefly figurative) Alternative spelling of zeriba. [(historical) A fence of the type once commonly improvised in northeastern Africa from thornbushes.]
(v) :
(chiefly figurative) Alternative spelling of zeriba. [To erect or take refuge within a zeriba.]
(n) :
(chiefly figurative) Alternative spelling of zeriba. [(historical) A fence of the type once commonly improvised in northeastern Africa from thornbushes.]
(v) :
(chiefly figurative) Alternative spelling of zeriba. [To erect or take refuge within a zeriba.]