MINIMALIST
minimalist
(adjective) advocating minimal reforms (as in government or politics)
minimalist
(adjective) of or relating to artistic minimalism
minimalist
(noun) a practitioner or advocate of artistic minimalism
minimalist
(noun) a conservative who advocates only minor reforms in government or politics
Source: WordNet® 3.1
Etymology
Adjective
minimalist (comparative more minimalist, superlative most minimalist)
Believing in or seeking a minimal state; seeking to minimize or reduce to a minimum.
Noun
minimalist (plural minimalists)
One who believes in or seeks a minimal state; one who seeks to minimize or reduce to a minimum.
Source: Wiktionary