In verses 20-22, Paul explains how he became all things to all people – the practical outworking of this servant mindset.

1 Corinthians 9:1 establishes Paul's freedom and apostolic rights — which he then voluntarily surrenders in 9:19 to serve others.

1 Cor 9:22 continues and expands the same principle: becoming all things to all people to save some — an explicit elaboration of 9:19.

1 Corinthians 10:24 commands seeking neighbors' good — Paul's self-servitude to win more directly applies this principle.

1 Cor 10:24 commands seeking others' good — a direct ethical application of Paul's self-enslavement in 9:19.

1 Cor 8:13 is Paul's personal example of surrendering rights for others — a direct application of the self-enslavement principle in 9:19.

1 Cor 7:22 presents the same paradox: the free become Christ's bondservants — directly parallel to Paul's self-enslavement for others.

1 Cor 3:22 states all things belong to believers — this grounds Paul's claim to be free from all in 9:19.

In 1 Peter 3:1, winning spouses by conduct uses the same Greek word 'kerdaínō' as Paul's win more.

In James 5:20, saving a soul from death parallels Paul's goal of winning more — both rescue sinners.

In 2 Timothy 2:10, Paul endures all for the elect's salvation — directly parallel to his servanthood to win more.

In Galatians 5:13, believers are called to serve one another through love; Paul's voluntary servanthood exemplifies that.

In 2 Corinthians 4:5, Paul proclaims himself a servant of others for Jesus' sake – directly echoing this verse.

In Romans 15:2, Paul urges pleasing neighbors for their good; here he serves all to win them – building them up.

In Romans 11:14, Paul's aim to save some by jealousy mirrors his servant strategy — same missionary heart.

In John 13:15, Jesus leaves an example to follow; Paul's servanthood directly follows that example.

In John 13:14, Jesus washes feet and commands mutual service, mirroring Paul's self-lowering to serve all.

In Matthew 20:26-28, Jesus teaches that greatness comes through servanthood, which Paul voluntarily embodies here.

In Mark 10:43, Jesus again teaches servanthood as the path to greatness, mirroring Paul's attitude in 1 Cor 9:19.

In Matthew 23:11, Jesus says the greatest must be servant, matching Paul's self-description as a servant to all.

In Matthew 20:27, Jesus teaches that greatness comes through servanthood, directly paralleling Paul's choice to become a servant to all.

In Romans 1:14, Paul calls himself a debtor to all; here he becomes servant to win them – same missional obligation.

Galatians 5:1 calls believers to stand firm in freedom — Paul uses his freedom to become a servant, showing freedom's proper exercise.

In Mark 8:34, Jesus calls for self-denial, which Paul's voluntary servanthood exemplifies for the gospel's sake.

In 1 Timothy 4:16, saving hearers through careful teaching complements Paul's servant approach — both aim at salvation.

Titus 3:2 calls for gentleness and courtesy to all — a similar attitude of self-humbling service as in 9:19.

In Proverbs 11:30, winning souls is wise; Paul's goal to win more people aligns with that ancient wisdom.