djobau lujvo

m1=b1 is the Saudi Arabic language used by b2 to express/communicate b3 (si'o/du'u, not quote).

Cf. sadjo, bangu, rabybau, bangaru'a, bangarubu.


In notes:

bangaru'a
x1 is the language with ISO 639-3 code “ara” (Arabic).
bangarubu
x1 is the language with ISO 639-3 code “arb” (Standard Arabic).