He believeth
'aman (aw-man')
to build up or support; to foster as a parent or nurse; figuratively to render (or be) firm or faithful, to trust or believe, to be permanent or quiet; morally to be true or certain
not that he shall return
shuwb (shoob)
to turn back (hence, away) transitively or intransitively, literally or figuratively
out of darkness
choshek (kho-shek')
the dark; hence (literally) darkness; figuratively, misery, destruction, death, ignorance, sorrow, wickedness -- dark(-ness), night, obscurity.
and he is waited
tsaphah (tsaw-faw')
to lean forward, i.e. to peer into the distance; by implication, to observe, await -- behold, espy, look up (well), wait for, (keep the) watch(-man).
for of the sword
chereb (kheh'-reb)
drought; also a cutting instrument (from its destructive effect), as a knife, sword, or other sharp implement -- axe, dagger, knife, mattock, sword, tool.