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

• Chichewa Contempary Chichewa translation, 2002/2016:
  “Jehovah is my rock, my defense and my savior;
  My God is my rock in which I flee.
  My shield and the rod of my salvation, and my fortress.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “The LORD is like a rock for me,
  The LORD is my fortress,
  [He] is the one who saves me.
  My God is like a rock for me,
  who protects me.
  He is my shield,
  the power of my salvation,
  the place I take refuge.” (Source: Newari Back Translation)
• Hiligaynon:
  “You (sing.), LORD, are my rock/stone of refuge,
  my strong/firm place-of-hiding and the-one-who-delivers.
  As a rock/stone of refuge, I can-hide in you (sing.).
  You (sing.) are my shield, powerful/mighty savior, and place-of-refuge.” (Source: Hiligaynon Back Translation)
• Eastern Bru:
  “You protect me like a very strong fence. God is like a large rock, a secure place when I meet misfortune. And he is like a shield to protect me constantly. He saves me, and he becomes the Lord who cares for me to avoid the hands of wicked people.” (Source: Bru Back Translation)
• Laarim:
  “The LORD is my mountains and my savior,
  he is my mountain in were I am hiding.
  He is my shield and my strength who helps me,
  he be my place which be strong.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “BWANA ni ukuta wangu,
  ngome yangu, tena mwokozi wangu.
  Mungu wangu, mwamba yangu,
  kwake ni ambako nakimbilia.
  Ngao yangu, mwokozi wangu,
  tena ndio kimbilio langu.” (Source: Nyakyusa Back Translation)
• English:
  “Yahweh is like an overhanging rock under which I can hide from my enemies;
  he is like a strong fortress, the one who protects me;
  he protects me like a shield protects a soldier;
  he is the one to whom I go for refuge/to be protected/safe,
  and he defends me by his great power.” (Source: Translation for Translators)