Following are a number of back-translations as well as a sample translation for translators of Proverbs 18:24:

• Kupsabiny: “Although there are many friends who may follow a person (superficially),
  there is one who may defend that person more than his brothers (might) do.” (Source: Kupsabiny Back Translation)
• Newari: “There are certain friends
  who destroy one another.
  and there are certain friends
  who are even closer than the closest kin.” (Source: Newari Back Translation)
• Hiligaynon: “There are friendship that does- not -last-long, but there is also friendship that is more intimate/closer than the siblings/(brother-or-sister).” (Source: Hiligaynon Back Translation)
• Kankanaey: “There are some friends who cause-destruction, but there are others whose loyalty is more-than a sibling’s.” (Source: Kankanaey Back Translation)
• English: “There are some people who only pretend to be friends with us,
  but there are some friends who are more loyal than members of our families.” (Source: Translation for Translators)