Who is not a member of the club?

Perversely, the six women belonging to the "No Deception Club" are required to always tell lies, and one of the women below is going to get kicked out of the club because she’s telling the truth.  Who’s getting kicked out?

Donna Decent: I am very honest. 

Emma Equitable: Glenda Genuine is not a member of this club. 

Frankie Fair: I am a liar. 

Glenda Genuine: Emma Equitable does not lie. 

Helen Honorable: I am not from Washington, D. C. 

Irma Innocent: I am not wearing any undergarments.