intimidator

transitive verb | \ in-ˈti-mə-ˌdāt \ | in·tim·i·date

1. : to make timid or fearful; especially : to compel or deter by or as if by threats — see also coercion : to compel or deter by or as if by threats — see also coercion

2. : to engage in the crime of intimidating (as a witness, juror, public officer in the performance of his or her duty, or victim of a robbery or other crime)