New Living Translation
If the master returns and finds that the servant has done a good job, there will be a reward.

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

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

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.

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

World English Bible
Blessed is that servant whom his lord will find doing so when he comes.

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

Luke 12:43 Additional Translations ...