It’s probably more useful to use “coercion” rather than limiting it to violence.

The threat of losing something one finds important is incredibly serious whether it’s through slow motion coercion or fast paced physical violence. You’re being threatened either way.

Concentrated power absolutely exerts coercion in more ways than just through governments.

Until violence is used to gain access to people's key chain passwords.

With enough wealth, you can buy violence. Wealth inequality begets power inequality.