unbelieving

Mark 6:6

6 And He marveled because of their unbelief. Then He went about the villages in a circuit, teaching.

Luke. 12:46

46 "the master of that servant will come on a day when he is not looking for him, and at an hour when he is not aware, and will cut him in two and appoint him his portion with the unbelievers.

Heb. 3:12

12 Beware, brethren, lest there be in any of you an evil heart of unbelief in departing from the living God;