Skeuos (σκεῦος) means a vessel, container, or implement — any object used as a tool or receptacle. The word carries profound theological weight: the human person as a vessel of God, the body as a container of the Spirit, believers as instruments of divine purposes.
Paul's vessel theology in 2 Corinthians 4:7 is foundational: "We have this treasure in jars of clay [skeuē ostrakina]" — the treasure of the gospel contained in fragile, breakable human vessels. The weakness of the container highlights the surpassing power of the contents. Romans 9:21-23 extends the metaphor: God as potter making vessels of honor and dishonor. Acts 9:15 applies it to Paul himself: "This man is my chosen instrument [skeuos] to proclaim my name." 1 Thessalonians 4:4 uses it for the body in sexual ethics: honor your own vessel. The question for each believer: am I a vessel of honor, clean and ready for the Master's use (2 Tim. 2:21)?
The vessel metaphor encompasses multiple NT themes: (1) human fragility (clay jars, 2 Cor. 4:7); (2) divine election (potter's sovereignty, Rom. 9); (3) personal holiness (clean vessels, 2 Tim. 2:21); (4) apostolic calling (chosen vessel, Acts 9:15). The common thread: a vessel is defined by its contents and its Master's purpose, not its own material. The Christian's identity is not self-defined but bestowed by the one who fills and uses.