New Living Translation
So because of your superior knowledge, a weak believer for whom Christ died will be destroyed.

American Standard Version
For through thy knowledge he that is weak perisheth, the brother for whose sake Christ died.

Berean Study Bible
So this weak brother, for whom Christ died, is destroyed by your knowledge.

Douay-Rheims Bible
And through thy knowledge shall the weak brother perish, for whom Christ hath died ?

English Revised Version
For through thy knowledge he that is weak perisheth, the brother for whose sake Christ died.

King James Bible
And through thy knowledge shall the weak brother perish, for whom Christ died?

World English Bible
And through your knowledge, he who is weak perishes, the brother for whose sake Christ died.

Young's Literal Translation
and the brother who is infirm shall perish by thy knowledge, because of whom Christ died?

1 Corinthians 8:11 Additional Translations ...