Exclusionistnoun
A person who advocates the exclusion of someone or something
Exclusionistadjective
Of or pertaining to an exclusionist, or to exclusionism
Exclusionistnoun
One who would exclude another from some right or privilege; esp., one of the anti-popish politicians of the time of Charles II.
Inclusionistadjective
Advocating for inclusion.
Inclusionistadjective
(Wiktionary and WMF jargon) Describing a wiki user who tends to favor the inclusion of questionable articles.
Inclusionistnoun
One who advocates for inclusion.
Inclusionistnoun
A person who expresses inclusionist sentiments.