# proclaim in the ears of the people

"proclaim to the people" 

# Whoever is afraid, whoever trembles

Both of these phrases have the same meaning. "shakes with fear"

# let him return

"let him return to his home" 

# Mount Gilead

This is the name of a mountain in the region of Gilead. 

# ten thousand remained

"10,000 people remained" or "10,000 men remained"