board vs board member

board and board member both are nouns.

Word	Noun	Adjective	Verb	Adverb
board	Yes	No	Yes	No
board member	Yes	No	No	No

board (noun)	board member (noun)
a flat piece of material designed for a special purpose	a member of a governing board
a table at which meals are served
electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices
a vertical surface on which information can be displayed to public view
a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
a flat portable surface (usually rectangular) designed for board games
food or meals in general
a committee having supervisory powers
a stout length of sawn timber; made in a wide variety of sizes and used for many purposes

board (verb)	board member (verb)
provide food and lodging (for)
lodge and take meals (at)
get on board of (trains, buses, ships, aircraft, etc.)
live and take one's meals at or in