A Semite is a member of a group of Semitic-speaking peoples of the Near East and northern Africa, including the Arabs, Arameans, Babylonians, Carthaginians, Ethiopians, Hebrews, and Phoenicians.
So a Anti-Semitic would be someone who is against someone belonging to one of those groups, although it is usually geared more toward the Jewish people.
No other posters were flamed, ridiculed, persecuted, belittled, berated, judged or otherwise in the making of the above-posted reply. It is with respect all are asked to observe this and to provide the same courtesy bestowed upon those who have posted and those who will post. Yada, Yada, doublespeak and so forth!