23
guard(noun, watch, safeguard, champion, protector)
20
guardian(noun, law, watch, guard, safety)
19
keeper(noun, law, watch, guard, holder)
18
concierge(obsolete, noun, person, employee, clerk)
17
protector(noun, watch, guard, safeguard, safety)
15
warden(noun, person, watch, guard, safety)
14
caretaker(noun, law, person, guard, crackerjack)
13
steward(noun, caretaker)
12
curator(noun, watch, guard, attendant, protector)
10
warder(noun, safety, keeper)
10
janitor(noun, person, crackerjack, supervisor, warden)
9
ranger(noun, keeper)
9
overseer(noun, authority, head, guard, leader)
9
watchman(noun, guard, keeper, lookout, sentry)
8
attendant(noun, person, guide, guard, safeguard)
8
supervisor(noun, person, authority, head, guard)
8
conservator(noun, law, guard, safeguard, champion)
8
jailer(noun, keeper)
8
turnkey(noun, keeper, warden)
6
watchdog(noun, guard, champion, crackerjack, protector)
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APASmart Define. (2015). custodian thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/custodian/thesaurus/synonyms
ChicagoSmart Define. 2015. "custodian thesaurus" https://smartdefine.org/custodian/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, custodian thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/custodian/thesaurus/synonyms>.
MLASmart Define. "custodian thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/custodian/thesaurus/synonyms>