Grace
In this chapter, 'grace' is used to describe the generous giving of the Macedonian churches and the ultimate grace of Jesus Christ, who became poor for our sake.
Grace in this context emphasizes God's unmerited favor and the transformative power of Christ's sacrifice, encouraging believers to emulate this grace through generosity.
In the Greco-Roman world, grace (charis) often referred to favor or kindness, which Paul redefines in a Christian context as divine generosity and selflessness.