Following are a number of back-translations as well as a sample translation for translators of Job 4:18:

• Kupsabiny: “God does not entrust himself to angels
  seeing that his servants have/make mistakes.” (Source: Kupsabiny Back Translation)
• Newari: “If God Himself does not trust His servants,
  and if He accuses His own messengers of doing wrong.” (Source: Newari Back Translation)
• Hiligaynon: “If God indeed does- not -trust in the angels who were his servants, and he can-find sin in them,” (Source: Hiligaynon Back Translation)