Those are clear examples of child neglect. Child neglect is a form of child abuse where a parent or a guardian fails to provide adequate health care, food, clothing, shelter, hygiene, and physical, social, emotional needs of a child. Deliberately neglecting a child when options are available, like your question is, is a clear example of child neglect.
Comfort him, reassure him the reasons to stay. Talk about the positives of living. Do not pressure or guilt him on staying alive. Tell a trusted adult or school counselor.