What is the context of 1 Corinthians 9:18-19?

• Serving All Men (1 Corinthians 9:19-23 false)
• Paul’s Use of His Freedom (1 Corinthians 9:19-23 false)
• A Pattern of Self-Denial (1 Corinthians 9:1-18 false)
• Paul’s Rights as an Apostle (1 Corinthians 9:1-18 false)
• Paul Gives Up His Rights as an Apostle (1 Corinthians 9:1-27 true)
• Paul’s Use of Liberty (1 Corinthians 9:1-27 true)
• Paul’s Example as an Apostle (1 Corinthians 9:1-27 true)
• Paul Surrenders His Rights (1 Corinthians 9:1-27 true)
• The Rights of an Apostle (1 Corinthians 9:1-27 true)
• Paul Gives Up His Rights (1 Corinthians 9:1-27 true)