Following are a number of back-translations as well as a sample translation for translators of Proverbs 17:13:

• Kupsabiny: “If good things are done to a person and (he) repays it with evil/sin,
  evil/bad things will follow him forever.” (Source: Kupsabiny Back Translation)
• Newari: “Misfortune will never depart from the house
  of one who does evil in return for good.” (Source: Newari Back Translation)
• Hiligaynon: “If you (sing.) are bad to the ones who are good to you (sing.), there is always bad (thing) that will-arrive to your (sing.) household.” (Source: Hiligaynon Back Translation)
• Kankanaey: “Bad happenings are continual to the person who repays what is bad for the good that is done to him.” (Source: Kankanaey Back Translation)
• English: “If someone does something evil in return for something good being done to him,
  evil/trouble will never leave that person’s family.” (Source: Translation for Translators)