|Noah Webster's Dictionary|
(n.) One who, or that which, sustains.
Sustainer (2 Occurrences)
Ruth 4:15 He shall be to you a restorer of life, and sustain you in your old age, for your daughter-in-law, who loves you, who is better to you than seven sons, has borne him." (See NAS)
Psalms 54:4 Behold, God is my helper. The Lord is the one who sustains my soul. (See NAS)