Jude 3New King James Version (NKJV)
Contend for the Faith
3 Beloved, while I was very diligent to write to you concerning our common salvation, I found it necessary to write to you exhorting you to contend earnestly for the faith which was once for all delivered to the saints.
Jude 3New Revised Standard Version Catholic Edition (NRSVCE)
Occasion of the Letter
3 Beloved, while eagerly preparing to write to you about the salvation we share, I find it necessary to write and appeal to you to contend for the faith that was once for all entrusted to the saints.