Sustain: to keep (a person, the mind, the spirits, etc.) from giving way, as under trial or affliction.
But You, O Lord, are a shield about me, My glory, and the One who lifts my head. I was crying to the Lord with my voice, And He answered me from His holy mountain. Selah.
I lay down and slept; I awoke, for the Lord sustains me.
Psalms 3:3-5 NASB
Cast your burden upon the Lord and He will sustain you; He will never allow the righteous to be shaken.
Psalms 55:22 NASB
Continually Seeking Him,