land agent vs administrator

land agent and administrator both are nouns.

Word	Noun	Adjective	Verb	Adverb
land agent	Yes	No	No	No
administrator	Yes	No	No	No

As nouns, administrator is a hypernym of land agent; that is, administrator is a word with a broader meaning than land agent:

Other hypernyms of land agent include decision maker.

land agent (noun)	administrator (noun)
a person who administers a landed estate	someone who administers a business
a person who is authorized to act as an agent for the sale of land	the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor
	someone who manages a government agency or department