Whom does Paul commend in Romans 16:1 as a servant of the church in Cenchrea?

Answer: Phoebe

Paul commends 'our sister Phoebe' (KJV: Phebe), a servant of the church in Cenchrea who had been a great help to many, including him.

“I commend to you our sister Phoebe, a servant of the church in Cenchrea. Welcome her in the Lord in a manner worthy of the saints, and assist her with anything she may need from you. For she has been a great help to many people, including me.”— Romans 16:1-2 (BSB)