Rule 21.(1) & (2) of the CPR; basis on which actions may be brought or defended in a representative capacity – Rules 26.3(1)(C) and 15.2 of the CPR; principles applicable to the striking out of, or the granting of summary judgment in a claim – Application of s.46 of both the Trustee Act and Limitation of Actions Act where limitation defence raised – Private contract incapable of changing the statutory limitation period –To obtain redress for alleged breach of contractual or fiduciary duty necessary to prove existence of duty, breach of that duty and consequential loss flowing from that breach