The fearful and sorcerers come in the same list. Sorcery is not a Christian activity, so to that extent the list includes non-Christians.

In Mark 4:40 and Matthew 8:26 fear/deilos is compared to faith:

>"He said to them, 'Why are you so afraid? Have you still no faith'" Mark 8:26 ESV

>"And he said to them, 'Why are you afraid, O you of little faith?' Matthew 8:26

In Matthew 8:25 the disciples have enough faith to say to Jesus "Save us , Lord". But not enough faith not to have fears in the first place.

>"For whatever does not proceed from faith is sin". Romans 14:23

In 1 John 4:18 fear/phobos [very similar] is seen in relation to love:

>"There is no fear in love, but perfect love casts out fear. For fear has to do with punishment, and whoever fears has not been perfected in love."1 John 4:18 [perfect-teteleiotai]

Sin is punished on "the day of judgement" 1 John 4:17. Something to be feared.

Perfect love. Love reaches a teleological end in this world when it drives out fear. It does so by replacing it with:

 >"the love that God has for us".1 John 4:16

When fear is not overcome by faith in God, heaven is not attained.