Following are a number of back-translations as well as a sample translation for translators of Joel 2:18:

• Kupsabiny: “God will be pained on account of his land
  and have mercy on/spare his people.” (Source: Kupsabiny Back Translation)
• Newari: “Then the LORD will be deeply concerned for His land
  and He will have compassion on his people.” (Source: Newari Back Translation)
• Hiligaynon: “The LORD truly shows-concern for his land, and he (is) merciful/compassionate upon his people.” (Source: Hiligaynon Back Translation)
• Kankanaey: “When it was finished that they had obeyed those commands, God showed his love to/for the country that he had chosen and he showed-mercy/kindness to his people.” (Source: Kankanaey Back Translation)