What is the synonym for word guardian?

Here are some synonyms for "guardian," depending on the context:

General synonyms:

* Protector

* Caretaker

* Custodian

* Keeper

* Overseer

* Watchman

Legal synonyms:

* Trustee

* Conservator

* Executor

* Administrator

Informal synonyms:

* Watchdog

* Shepherd

* Defender

Other options:

* Mentor

* Advocate

* Champion

The best synonym for "guardian" will depend on the specific context in which it is being used.