Synonyms of custodian

custodian

noun

ˌkə-ˈstō-dē-ən 

1

as in keeper

a person who takes care of a property sometimes for an absent owner

the custodian made his usual rounds of the building to make sure that everything was OK

Synonyms & Similar Words

• keeper
• janitor
• warden
• caretaker
• guardian
• steward
• watchman
• curator
• sexton
• cocurator

2

as in guardian

a person or group that watches over someone or something

served as custodian of the prisoner until he could be turned over to federal authorities

Synonyms & Similar Words

• guardian
• keeper
• warden
• guard
• sentinel
• bodyguard
• watchman
• patrol
• sentry
• warder
• defender
• lookout
• watcher
• watch
• observer
• picket
• minder
• escort
• gatekeeper
• spotter
• watchdog
• honor guard
• convoy
• surveillant
• hack

3

as in defender

someone that protects

we must regard ourselves as custodians of the Earth so that its natural resources may be enjoyed by many generations to come

Synonyms & Similar Words

• guardian
• defender
• protector
• bodyguard
• protection
• keeper
• guard
• guardian angel
• champion
• warden
• watchman
• sentinel
• sentry
• preserver
• warder
• watchdog
• saver
• lookout
• watch
• conserver
• harborer

Example Sentences

Recent Examples of custodian

Those jobs belong to a separate custodian, who manages the retirement account paperwork, and a depository, who keeps the metals secure. — USA Today, 21 July 2026

While the Black Eyed Peas were still finding their footing in the music world in the early ‘90s, rapper Taboo — real name Jaime Luis Gomez — worked as a custodian at Disneyland to provide for his son. — Stephanie Sengwe, PEOPLE, 20 July 2026

Even a band like Opeth, unwavering custodians of 21st-century prog, hardly share much in common with other metal bands representing this style. — Sam Goldner, Pitchfork, 19 July 2026

Assets in a custodial account may be considered the child's, even though a parent or other adult serves as the custodian. — Elizabeth Gravier,dan Avery, CNBC, 16 July 2026