Rukun : رکن
2. Fellow Member, Member : رکن : (noun) one of the persons who compose a social group (especially individuals who have joined and participate in a group organization).
Insaan, Insaan, Shakhs, Shakhs : Person : a human being. "The person who I told you about"
Giroh : Group : any number of entities (members) considered as a unit.
Qayam : Organization : the act of forming or establishing something. "The constitution of a PTA group last year"
Ek, Wahid : One : a single person or thing. "Do I say one thing if you don`t mind ?"