He shall not be afraid
yare' (yaw-ray')
to fear; morally, to revere; caus. to frighten
of evil
ra` (rah)
bad or (as noun) evil (natural or moral)one), worse(-st), wretchedness, wrong. (Incl. feminine raaah; as adjective or noun.).
tidings
shmuw`ah (sehm-oo-aw')
something heard, i.e. an announcement -- bruit, doctrine, fame, mentioned, news, report, rumor, tidings.
his heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
is fixed
kuwn (koon)
to be erect (i.e. stand perpendicular); hence (causatively) to set up, in a great variety of applications
trusting
batach (baw-takh')
to hie for refuge; figuratively, to trust, be confident or sure -- be bold (confident, secure, sure), careless (one, woman), put confidence, (make to) hope, (put, make to) trust.
in the LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.