Berean Study Bible
if it is serving, let him serve; if it is teaching, let him teach;

King James Bible
Or ministry, let us wait on our ministering: or he that teacheth, on teaching;

American Standard Version
or ministry, let us give ourselves to our ministry; or he that teacheth, to his teaching;

Darby Bible Translation
or service, [let us occupy ourselves] in service; or he that teaches, in teaching;

Douay-Rheims Bible
Or ministry, in ministering; or he that teacheth, in doctrine;

English Revised Version
or ministry, let us give ourselves to our ministry; or he that teacheth, to his teaching;

Young's Literal Translation
or ministration -- 'In the ministration!' or he who is teaching -- 'In the teaching!'