NET
20 Rather, if your enemy is hungry, feed him; if he is thirsty, give him a drink; for in doing this you will be heaping burning coals on his head.
Darby
20 If therefore thine enemy should hunger, feed him; if he should thirst, give him drink; for, so doing, thou shalt heap coals of fire upon his head.
KJV
20 Therefore if thine enemy hunger, feed him; if he thirst, give him drink: for in so doing thou shalt heap coals of fire on his head.