GOD'S WORD® Translation
Will he really defend you if you secretly favor [him]?

American Standard Version
He will surely reprove you If ye do secretly show partiality.

Berean Study Bible
Surely He would rebuke you if you secretly showed partiality.

Douay-Rheims Bible
He shall reprove you, because in secret you accept his person.

English Revised Version
He will surely reprove you, if ye do secretly respect persons.

King James Bible
He will surely reprove you, if ye do secretly accept persons.

World English Bible
He will surely reprove you if you secretly show partiality.

Young's Literal Translation
He doth surely reprove you, if in secret ye accept faces.

Job 13:10 Additional Translations ...