SELECT T1.member_name FROM Member AS T1 JOIN party AS T2 ON T1.party_id  =  T2.party_id WHERE T2.Party_name != "Progress Party"
Which member names corresponding to members who are not in the Progress Party?
SELECT T1.member_name FROM Member AS T1 JOIN party AS T2 ON T1.party_id = T2.party_id WHERE T2.Party_name ! = `` Progress Party ''
select t1 . member_name from member as t1 join party as t2 on t1 . party_id = t2 . party_id where t2 . party_name ! = value
Which member names corresponding to members who are not in the Progress Party ?