1. (noun) a disputant who advocates reform

• crusader
• meliorist
• reformist
• social reformer

1. (noun) a disputant who advocates reform

• abolitionist
• emancipationist
• activist
• militant
• birth-control campaigner
• birth-control reformer
• chartist
• civil rights activist
• civil rights leader
• civil rights worker
• conservationist
• environmentalist
• demonstrator
• protester
• dry
• prohibitionist
• feminist
• libber
• women's liberationist
• women's rightist
• flower child
• hippie
• hippy
• hipster
• freedom fighter
• insurgent
• insurrectionist
• rebel
• non-resistant
• passive resister
• preservationist
• utopian

1. (noun) a disputant who advocates reform

• controversialist
• disputant
• eristic

2. (noun) an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel

• apparatus
• setup

1. (noun) a disputant who advocates reform

• agitate
• campaign
• crusade
• fight
• press
• push
• meliorism
• progressive
• reform-minded
• reformist
• reclaim
• rectify
• reform
• regenerate
• reform
• reform
• reform
• reformism

2. (noun) an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel

• reform