Verses with the word fainthearted in the Apocrypha (3 verses):

Sirach 2:13
Woe unto him that is fainthearted! for he believeth not; therefore shall he not be defended.

Sirach 4:9
Deliver him that suffereth wrong from the hand of the oppressor; and be not fainthearted when thou sittest in judgment.

Sirach 7:10
Be not fainthearted when thou makest thy prayer, and neglect not to give alms.