hater

noun

Etymology: From Middle English hatere, equivalent to hate + -er. Compare Old English hetend, hettend (“enemy”, literally “hater”). Cognate with Dutch hater (“hater”), German Hasser, Hässer (“hater”), Danish hader (“hater”), Swedish hatare (“hater”), Icelandic hatari (“hater”).

1. One who hates.

   “In addition to the basic charge that Christians were atheists was the charge that they were also haters of mankind.”

   “My book is not to villainize the villainizers, hate the haters, or to demonize the demonizers.”

2. One who expresses unfounded or inappropriate hatred or dislike, particularly if motivated by envy.