This refers to men of all levels of wealth and importance. The phrases "are vanity" and "are a lie" have the same meaning. One cannot confidently trust in anyone. AT: "you cannot place your trust in men, no matter how important they are" (See: [[rc://en/ta/man/translate/figs-merism]] and [[rc://en/ta/man/translate/figs-parallelism]])
These two words have basically the same meaning. You cannot trust in money that you get by taking it from other people. (See: [[rc://en/ta/man/translate/figs-doublet]])
The writer speaks of riches as if they were trees or vines that could bear fruit. AT: "for they will provide nothing good for you" (See: [[rc://en/ta/man/translate/figs-metaphor]])
# do not fix your heart on them
Here "fix your heart" is an idiom that means to desire something greatly. AT: "do not desire them" (See: [[rc://en/ta/man/translate/figs-idiom]])