The following definitions are from Matt Rogers’ Aspire: Part One, a discipleship guide that is aimed at teaching people the basics of what the gospel is and how it applies to life:
Gospel: The announcement of the good news of Jesus’ work to restore sinful image-bearers to the rightful worship of God.
Kingdom of God: The rule of God demonstrated on earth among a worshipping people.
Idolatry: Worshipping as God anything other than God.
Wrath: The just anger of a holy God toward sin.
Incarnation: The coming of God to earth in the flesh in the form of a man who was both fully God and fully man.
Atonement: The process by which God makes it possible for sinful humans to have a relationship with Him through the death of a substitute.
Propitiation: The wrath of God fully poured out upon a substitute (1 Jn 2:2).
Justification: The formal act whereby God declares a person not guilty for sin.
Redemption: God’s work to free His people from slavery.
Righteousness: Perfect obedience to the law of God.
Sanctification: The work of God to change fallen sinners into faithful worshipers.
Discipleship: The process of growing in your understanding of God, love for God, and obedience to God through intentional relationships.
Disciple: A person who worships God rightly because of the work of Jesus.