A booth that the keeper maketh— Here is an omission of the word vineyard: these booths were little huts or arbours made by the keepers to watch in by night, to prevent the vineyard from being plundered: a practice still continued in the wine-countries. See Heath, and Isaiah 1:8.
Related Commentaries of Job 27:18
Job 27:18
18 He buildeth his house as a moth, and as a booth that the keeper maketh.