In the Bible, apostates are often described as those who have turned away from their faith or rejected the teachings of God. Some specific characteristics that may be associated with apostates, as described in the Bible, include:
Remain Firm in Your Faith by Taking Your Stand Against Apostasy
Apostasy is abandoning or deserting the true worship, doctrine, and service of God, It is a rebellion against God.
CHRISTIANS: How Serious is Apostasy?
Apostasy: A “falling away,” usually a deliberate and total abandonment of the faith previously held. Apostate: One who departs from the faith.