The worst thing a parent can do to a child is.......

The worst thing a parent can do to their child is abuse and neglect them. A child needs company all the time , and a parent should make it their first priority to be there for them. By not having a parent around the child could make some bad mistakes in their life. I know people should learn from their mistakes but a parent should be there to help them through their problems. Another if you abuse your child all the time , that can mess them up for life.