Who among you will give ear
'azan  (aw-zan')
probably to expand; to broaden out the ear (with the hand), i.e. (by implication) to listen
to this who will hearken
qashab  (kaw-shab')
to prick up the ears, i.e. hearken -- attend, (cause to) hear(-ken), give heed, incline, mark (well), regard.
and hear
shama`  (shaw-mah')
to hear intelligently (often with implication of attention, obedience, etc.; causatively, to tell, etc.)
for the time to come
'achowr  (aw-khore')
the hinder part; hence (adverb) behind, backward; also (as facing north) the West -- after(-ward), back (part, -side, -ward), hereafter, (be-)hind(-er part), time to come, without.