It is God
'el (ale)
strength; as adjective, mighty; especially the Almighty (but used also of any deity)
that avengeth
nathan (naw-than')
to give, used with greatest latitude of application (put, make, etc.)
nqamah (nek-aw-maw')
avengement, whether the act of the passion -- + avenge, revenge(-ing), vengeance.
me and subdueth
dabar (daw-bar')
perhaps properly, to arrange; but used figuratively (of words), to speak; rarely (in a destructive sense) to subdue
the people
`am (am)
a people (as a congregated unit); specifically, a tribe (as those of Israel); hence (collectively) troops or attendants; figuratively, a flock -- folk, men, nation, people.
under me