Jamieson, Fausset and Brown on Jeremiah 25:24

24. mingled people--not in the same sense as in Jr 25:20; the "motley crowd," so called in contempt (compare Jr 49:28, 31; 50:37). By a different pointing it may be translated the "Arabs"; but the repetition of the name is not likely. Blaney thinks there were two divisions of what we call Arabia, the west (Araba) and the east. The west included Arabia-Petræa and the parts on the sea bordering on Egypt, the land of Cush; the east, Arabia-Felix and Deserta. The latter are "the mixed race" inhabiting the desert.