Matthew Poole and continuators on Job 6:19

19. The troops of Tema looked, the companies of Sheba waited for them.

As this word is used, Gen. 37. 25. Isa. 21. 13. Heb. The waies, put for the travellers in the waies, by an usual Metonymy. And so it must needs be meant here, and in the next clause, because the following verse, they were confounded, &c. plainly sheweth, that he here speaks of persons, not of sensless things.

This place and Sheba were both parts of the hot and dry Country of Arabia, in which waters were very scarce, and therefore precious and desirable, especially to travellers, who by their motion, and the heat to which they were exposed, were more hot and thirsty than other men.

As before the troops. And thus he speaks, because men did not there travel singly, as here we do, but in troops and companies for their greater security against wild Beasts and Robbers, of which they had great store.