An exclusionist or Reactionary Exclusionist Gatekeeper (REG) is someone who attempts to gate-keep the LGBT community, by claiming that certain groups aren't "really" LGBT based on their own definition. The term includes TERFs, a-spec exclusionists, truscum, biphobes, pan-exclusionists and enbyphobes.
E.C.L.I.P.S.E.
E.C.L.I.P.S.E (Education, Culture, Language, Intelligence, Preservation, Sexy, Exclusionist) is a term some exclusionists use for the "exclusionist community."[1]