The phrase "live off others" can be used to describe someone who depends on the financial or practical support of others to sustain their lifestyle. However, there are many synonyms for this phrase that can be used depending on the specific context and connotations desired. These include "leech off," "mooch off," "sponge off," "parasitize," "exploit," "freeload off," and "depend on." Each of these words carries a slightly different nuance, with some signaling a more negative or disapproving attitude toward the behavior described. Ultimately, selecting the best synonym for "live off others" will depend on the author's intended tone and meaning.