Berean Study Bible
Blessed is that servant whose master finds him doing so when he returns.

King James Bible
Blessed is that servant, whom his lord when he cometh shall find so doing.

American Standard Version
Blessed is that servant, whom his lord when he cometh shall find so doing.

Darby Bible Translation
Blessed is that bondman whom his lord [on] coming shall find doing thus;

Douay-Rheims Bible
Blessed is that servant, whom when his lord shall come, he shall find so doing.

English Revised Version
Blessed is that servant, whom his lord when he cometh shall find so doing.

Young's Literal Translation
Happy that servant, whom his lord, having come, shall find doing so;