1 John 5:16

Then all the people said to Samuel, “Pray for your servants to Yahweh your God, so that we may not die, for we have added to all our sins this evil by asking for ourselves a king.”

“So now, take for yourselves seven bulls and seven rams, and go to My servant Job, and offer up a burnt offering for yourselves, and My servant Job will pray for you. For I will accept him so that I may not do with you according to your folly, because you have not spoken of Me what is right, as My servant Job has.”

“But as for you, do not pray for this people, nor lift up a cry of lamentation or prayer for them; for I will not listen when they call to Me because of their calamity.

and having fallen away, it is impossible to renew them again to repentance, since they again crucify to themselves the Son of God and put Him to open shame.

All unrighteousness is sin, and there is a sin not leading to death.