Verbal abuse is a kind of battering which doesn't leave evidence comparable to the bruises of physical abuse. It is hurtful and usually attacks the nature and abilities of someone. It is manipulative and controlling. Also, it is unpredictable and can happen any moment.
Ichiban is a Japanese word which basically means - number one, or first.
Ichi means one, and -ban is a Japanese suffix used to create an ordinal number (first) out of a cardinal number (one).