Abuse. Haruhi felt disturbed and angry. She lifted her gaze, trying not to scowl. If she upset him more, that would be...awful. He was upset enough.

"He hits him." she stood up and rested a hand on Tamaki's head, "We have to support him. He has to realize that discipline like that is not okay." which Kyouya probably knew already, "Even if his father shows up here, I'm not afraid to stop him from hitting Kyouya."

It was just wrong to let that happen - not that she blamed Tamaki for staying out of it. But a commoner had more room to misbehave - especially in a land of pirates.