There is a difference between discipline and abuse. Discipline is something where they do something they know they aren't supposed to and then get a spamming. Abuse is where they hit the child just for getting a bad grade. Please don't get that mixed up. It's a huge difference.
Ignore User
Both you and this user will be prevented from:
Messaging each other
Commenting on each other's stories
Dedicating stories to each other
Following and tagging each other
Note: You will still be able to view each other's stories.