'Fall Away' in the Bible

At that time many will be offended and repelled [by their association with Me] and will fall away [from the One whom they should trust] and will betray one another [handing over believers to their persecutors] and will hate one another.

Then Jesus said to them, “You will all fall away because of Me this night [disillusioned about Me, confused, and some even ashamed of Me], for it is written [in the Scriptures], ‘I will strike the Shepherd, and the sheep of the flock will be scattered.’

Peter replied to Him, “Though they all fall away because of You [and doubt and disown You], I will never fall away!”