Job uses this rhetorical question to scold his friends. He compares his words to the wind to explain that his friends act like his words are empty and useless. AT: "You ignore my words! I am a desperate man, and you treat my words as if they are as useless as the wind." (See: [[rc://en/ta/man/translate/figs-rquestion]] and [[rc://en/ta/man/translate/figs-simile]])
This compares how the man would sell his friend to how a person sells merchandise or wares. AT: "bargain to sell your friend for money" (See: [[rc://en/ta/man/translate/figs-simile]])