1 Corinthians 4:2
In this case, moreover, it is required of stewards that one be found trustworthy.

We are stewards of the message of the good news of Christ Jesus, indeed we are Christ's stewards. One of the primary requirements for a steward is that they be a faithful steward. So one of our chief aims as stewards of Christ is that we be faithful to Christ.

Faithfulness seems to be expressed primarily in obedience.
John 14:15
“ If you love Me, you will keep My commandments.