CONSERVAT-ive or CONSERVAT-ionist
-ive :
(forming adjectives, also nouns derived from them) tending to; having the nature of.
“active”
-ion :
forming nouns denoting verbal action.
“communion”
denoting a resulting state or product.
“oblivion”
-ist :
1. forming personal nouns and related adjectives denoting an adherent of a system of beliefs, principles, etc. expressed by nouns ending in — ism.
“hedonist”
2.
forming nouns denoting a member of a profession or business activity.
