“Hellenist” means Grecian

Hellenist: the term applied in the New Testament to Greek-speaking or "Grecian" Jews. The Hellenists as a body included not only the proselytes of Greek (or foreign) parentage, but also those. Jews who, by settling in foreign countries, had adopted the prevalent form of the current Greek civilization, and with it the use of the common Greek dialect. (Acts 6:1; 9:29)