6
substitute
5
backup
4
relief
3
reliever
3
stand-in
2
fill-in
2
surrogate
1
advocate
1
alter ego
1
alternate
1
amicus curiae
1
attorney
1
champion
1
descendant
1
dummy
1
executive officer
1
exponent
1
figurehead
1
heir
1
inheritor
11 years ago|868 views|share |citing 
APASmart Define. (2015). backup man thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/backup_man/thesaurus/synonyms
ChicagoSmart Define. 2015. "backup man thesaurus" https://smartdefine.org/backup_man/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, backup man thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/backup_man/thesaurus/synonyms>.
MLASmart Define. "backup man thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/backup_man/thesaurus/synonyms>