Exclusionist

The "E.C.L.I.P.S.E." (exclusionist) flag

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.