God’s “own arm” is Yeshua, the one who is also referred to as “The Right Hand of God.” Righteousness, redemption and salvation comes no other way. The Hebrew name Yeshua means “salvation.”
The Lord looked and was displeased
that there was no justice.
16 He saw that there was no one,
he was appalled that there was no one to intervene;
so his own arm achieved salvation for him,
and his own righteousness sustained him.
17 He put on righteousness as his breastplate,
and the helmet of salvation on his head;
he put on the garments of vengeance
and wrapped himself in zeal as in a cloak.
PRAY FOR ALL ISRAEL, ALL JEWISH PEOPLE TO RECOGNIZE YESHUA IS THEIR SAVIOR.