'Doing' in the Bible

On the contrary, therefore, if your enemy is hungry, give him food; if he is thirsty, quench his thirst. For by doing this you will be heaping burning coals upon his head.

Love avoids doing any wrong to one's fellow man, and is therefore complete obedience to Law.

The right course is to forego eating meat or drinking wine or doing anything that tends to your brother's fall.

that I should be a minister of Christ Jesus among the Gentiles, doing priestly duties in connexion with God's Good News so that the sacrifice--namely the Gentiles--may be acceptable to Him, being (as it is)