trustee vs legal guardian

trustee and legal guardian both are nouns.

Word	Noun	Adjective	Verb	Adverb
trustee	Yes	No	No	No
legal guardian	Yes	No	No	No

As nouns, trustee and legal guardian are synonyms defined as:

trustee and legal guardian: a person (or institution) to whom legal title to property is entrusted to use for another's benefit

trustee (noun)	legal guardian (noun)
a person (or institution) to whom legal title to property is entrusted to use for another's benefit	a person (or institution) to whom legal title to property is entrusted to use for another's benefit
members of a governing board