Following are a number of back-translations as well as a sample translation for translators of Isaiah 57:3:

• Kupsabiny: “God is saying,
  ‘Come here you (plur.) who used to do sorcery,
  you who hail from adulterers and prostitutes.” (Source: Kupsabiny Back Translation)
• Newari: “O you who follow the ways of sorcery
  and those who act like adulterers and prostitutes, come!” (Source: Newari Back Translation)
• Hiligaynon: “But you (plur.) the descendants of sorcerers, the ones-who-commit-adultery-with-women, and of the women who sell their body, you (plur.) come-near so-that you (plur.) will-be-sentenced.” (Source: Hiligaynon Back Translation)