Sort array by Kanji using MeCab on Ruby.

mecab_sort.rb

# $ brew install mecab
# $ brew install mecab-ipadic
# $ gem install natto
# $ ruby mecab_sort.rb
# "シュジンコウ"
# "ジョウシャ"
# "ジョウシャ"
# "コウムイン"
# "シュジンコウ"
# "コウムイン"
# ["主人公", "乗車", "公務員"]
# ["公務員", "主人公", "乗車"]
require 'natto'

natto = Natto::MeCab.new

arr1 = [
    '主人公',
    '乗車',
    '公務員',
]

arr2 = arr1.sort do |a,b|
  aa = natto.parse(a).split(',')[7]
  bb = natto.parse(b).split(',')[7]
  pp aa, bb
  aa <=> bb
end

pp arr1
pp arr2