What is another word for sustainer?
Pronunciation: [səstˈe͡ɪnə] (IPA) 
The word "sustainer" is generally used to refer to someone or something that maintains something in existence or keeps something going. Some synonyms for "sustainer" include supporter, upholder, maintainer, backer, assistant, caregiver, defender, guardian, protector, and preserver. Each of these words could be used in place of "sustainer" depending on the context and intended meaning. For instance, one might use "supporter" to describe someone who helps to keep an organization or project afloat, or "guardian" to describe someone who takes care of another person or group of people. The right synonym for "sustainer" will vary depending on the specific situation and the desired connotations.
