A connector (11, 31) to be connected to a flexible conductor (21, 43), the connector comprising: a contact member including a contact (13, 33) made of a conductive material; and an elastic member (15, 16, 17, 18, 19, 35) including an elastic member body (15A, 16A, 17A, 18A, 19A, 35A) and a rotation operating portion (15B, 16B, 17B, 35B) extending from the elastic member body, wherein the contact member includes a conductor-contact portion (13D, 33B) formed of part of the contact and an elastic member-contact portion (13E, 52A) disposed to be separated from the conductor-contact portion in a predetermined direction and facing the conductor-contact portion, wherein the elastic member body (15A, 16A, 17A, 18A, 19A, 35A) includes a base portion (15C, 16C, 35D) joined to the rotation operating portion and a pressing portion (15D, 16D, 35E) disposed to be separated from the base portion in the predetermined direction and being elastically displaceable in the predetermined direction with respect to the base portion, wherein the rotation operating portion (15B, 16B, 17B, 35B) extends at a position separated away in a -Z direction from an XY plane along which the elastic member body extends, and wherein, when part of the flexible conductor is disposed between the pressing portion of the elastic member body and the conductor-contact portion of the contact member, the base portion of the elastic member body comes into contact with the elastic member-contact portion of the contact member, and the pressing portion elastically displaced in the predetermined direction presses the part of the flexible conductor against the conductor-contact portion, whereby the contact (13, 33) is electrically connected to the flexible conductor (21, 43). a contact member including a contact (13, 33) made of a conductive material; and an elastic member (15, 16, 17, 18, 19, 35) including an elastic member body (15A, 16A, 17A, 18A, 19A, 35A) and a rotation operating portion (15B, 16B, 17B, 35B) extending from the elastic member body, wherein the contact member includes a conductor-contact portion (13D, 33B) formed of part of the contact and an elastic member-contact portion (13E, 52A) disposed to be separated from the conductor-contact portion in a predetermined direction and facing the conductor-contact portion, wherein the elastic member body (15A, 16A, 17A, 18A, 19A, 35A) includes a base portion (15C, 16C, 35D) joined to the rotation operating portion and a pressing portion (15D, 16D, 35E) disposed to be separated from the base portion in the predetermined direction and being elastically displaceable in the predetermined direction with respect to the base portion, wherein the rotation operating portion (15B, 16B, 17B, 35B) extends at a position separated away in a -Z direction from an XY plane along which the elastic member body extends, and wherein, when part of the flexible conductor is disposed between the pressing portion of the elastic member body and the conductor-contact portion of the contact member, the base portion of the elastic member body comes into contact with the elastic member-contact portion of the contact member, and the pressing portion elastically displaced in the predetermined direction presses the part of the flexible conductor against the conductor-contact portion, whereby the contact (13, 33) is electrically connected to the flexible conductor (21, 43).