Proper plaintiff

Miss. Code Ann. § 79-14-903, under Actions By Partners.

Miss. Code Ann. § 79-14-903

(1) A derivative action to enforce a right of a limited partnership may be maintained only by a person that is a partner at the time the action is commenced and:(1) Was a partner when the conduct giving rise to the action occurred; or(2) Whose status as a partner devolved on the person by operation of law or pursuant to the terms of the partnership agreement from a person that was a partner at the time of the conduct.

(1) Was a partner when the conduct giving rise to the action occurred; or

(2) Whose status as a partner devolved on the person by operation of law or pursuant to the terms of the partnership agreement from a person that was a partner at the time of the conduct.