天てん然ねん資し源げん保ほ護ご論ろん者しゃMeaningsNoun1. conservationistKanji used天heaven然sort of thing資resources源source保preserve護keep safe論argument者someoneComposed of天てん然ねんnature; spontaneityNoun資し源げんresourcesNoun保ほ護ごprotection; safeguard; guardianship; custody; patronage; preservation; conservationNoun論ろん者しゃadvocate; disputant; debater; (present) writer; authorNoun