Synonyms of sustainer

1 Syllable

staff, crutch, stay, strength, prop

2 Syllables

sponsor, pillar, buttress, standby, mainstay, linchpin, bulwark, stirrup, brace, anchor, sinew, sponsors

3 Syllables

abider, espouser, supporters, backbone, maintainers, upholder, upholders, supporter, maintainer, godparent

4 Syllables

underwriter, apologist, underwriters