redbaiter

red·bait

R0095400 (rĕd′bāt′)tr.v. red·bait·ed, red·bait·ing, red·baits To accuse, denounce, or attack (a person, for example) as a Communist or a Communist sympathizer.
red′bait′er n.red′bait′ing n.

redbaiter

(ˈrɛdˌbeɪtə) na person who deliberately antagonizes communists or people with left-wing beliefs