👉 Apostasy is a concept in Christian theology that refers to the act of turning away from or rejecting Christ. It occurs when someone believes in Jesus but rejects his teachings, practices, and teachings on the Trinity, sin, death, resurrection, and ascension. This can manifest as disbelief, disobedience, or even outright rejection. It's a fundamental principle within Christianity that emphasizes the importance of following God's instructions and not turning away from Christ.