This speaks of the wicked man becoming poor and hungry as if his wealth were something that turned into something else. Alternate translation: "Instead of being wealthy, he will become poor and hungry" (See: [[rc://en/ta/man/translate/figs-metaphor]])
The phrase "ready at his side" is an idiom that means that something is continually present. Alternate translation: "he will continually experience disaster" or "he will not be able to avoid calamity" (See: [[rc://en/ta/man/translate/figs-idiom]])