Conservative vs fellow member

Conservative and fellow member both are nouns.

Word	Noun	Adjective	Verb	Adverb
Conservative	Yes	No	No	No
fellow member	Yes	No	No	No

As nouns, fellow member is a hypernym of Conservative; that is, fellow member is a word with a broader meaning than Conservative:

Conservative: a member of a Conservative Party
fellow member: one of the persons who compose a social group (especially individuals who have joined and participate in a group organization)

Other hypernyms of Conservative include member.

Conservative (noun)	fellow member (noun)
a member of a Conservative Party	one of the persons who compose a social group (especially individuals who have joined and participate in a group organization)