SUSTAINER

Pronunciation (US): (GB):

Meaning:

Someone who upholds or maintains

Example:

they are sustainers of the idea of democracy

Synonyms:

maintainer; sustainer; upholder

Classified under:

Nouns denoting people

Hypernyms ("sustainer" is a kind of...):

admirer; booster; champion; friend; protagonist; supporter (a person who backs a politician or a team etc.)

Derivation:

sustain (lengthen or extend in duration or space)