Synset
someone who upholds or maintains
<noun.person>
maintainer
sustainer
upholder
sample sentences
"firm upholders of tradition"
"they are sustainers of the idea of democracy"
lexical pointers
derivationally related form
uphold
uphold
lexical pointers
derivationally related form
maintain
lexical pointers
derivationally related form
sustain
semantic pointers
hypernym
supporter, protagonist, admirer, champion, booster, friend