In this chapter:
I. "Commissioner" means the commissioner of the state department of corrections.
II. "Department" means the department of corrections.
III. "Inmate" means a person confined to a correctional facility as the result of conviction of a crime or violation of parole or probation, or an offender sentenced to a home detention program.
IV. "Inmate's account" means the moneys belonging to an inmate which are held in the department of corrections trust fund.