(1) "Abuse" means the willful infliction of physical pain, physical injury, mental anguish, unreasonable confinement, or the willful deprivation of essential services to a disabled adult or elder person.

"Abuse" means any intentional or grossly negligent act or series of acts or intentional or grossly negligent omission to act which causes injury to a resident, including, but not limited to, assault or battery, failure to provide treatment or care, or [...]