Be sustained by.

synonym: feed upon.

Roget 886: cringe, bow, stoop, kneel, bend the knee; fall on one's knees, prostrate oneself; worship etc. 990.    sneak, crawl, crouch, cower, sponge, truckle to, grovel, fawn, lick the feet of, kiss the hem of one's garment, kiss one's ass [Vulg.], suck up.    pay court to; feed on, fatten on, dance attendance on, pin oneself upon, hang on the sleeve of, avaler les couleuvres [Fr.], keep time to, fetch and carry, do the dirty work of.    go with the stream, worship the rising sun, hold with the hare and run with the hounds.    ... show more