scorns obedience to a mother

The word "obedience" is a metonym for the mother herself. It is also an abstract noun that can be stated as "obey." AT: "considers his mother worthless and will not obey her" (See: rc://en/ta/man/translate/figs-abstractnouns and rc://en/ta/man/translate/figs-metonymy)

his eyes ... the vultures

The writer says that the person will die by giving two pictures of what happens to people who die away from where people live.

This can be translated in active form. AT: "the ravens of the valley will peck out his eyes" (See: rc://en/ta/man/translate/figs-activepassive)

large, shiny, black birds that eat plants and dead animals

This can be translated in active form. AT: "the vultures will eat him" (See: rc://en/ta/man/translate/figs-activepassive)

any one of several large birds that eat dead animals and have small, featherless heads