Here a person's behavior is spoken of as if it were a way or road. Also, a person receiving the results of their behavior is spoken as if the person were eating the fruit of their behavior. AT: "experience the consequences of their actions" (See: [[rc://en/ta/man/translate/figs-metaphor]])
"they will eat the fruit of their schemes until they are full." A person receiving the results of their own evil plans is spoken of as eating the fruit of their schemes. AT: "they will suffer the consequences of their own evil plans" (See: [[rc://en/ta/man/translate/figs-metaphor]])