Member.kt

data class Member(
    @SerializedName("age")
    val age: Int,
    @SerializedName("email")
    val email: String,
    @SerializedName("_id")
    val id: String,
    @SerializedName("name")
    val name: Name,
    @SerializedName("phone")

    val phone: String


)

MemberAdapter.kt

class MemberAdapter
 : RecyclerView.Adapter<MemberAdapter.MemberViewHolder>() {

    private val members =  mutableListOf<Member>()
    fun setMembers(data: List<Member>) {
        members.clear()
        members.addAll(data)
        this.notifyDataSetChanged()
    }
    override fun onCreateViewHolder(
        parent: ViewGroup,
        viewType: Int
    ): MemberAdapter.MemberViewHolder {
      val view = LayoutInflater.from(parent.context).inflate(R.layout.member_list, parent, false)
        return MemberViewHolder(view)

    }

    override fun getItemCount(): Int {
       return members.size
    }

    override fun onBindViewHolder(holder: MemberAdapter.MemberViewHolder, position: Int) {
     return holder.bind(members[position])
    }

    class MemberViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

        private val memberAge: TextView = itemView.findViewById(R.id.memberAge)
     //   private val memberName: TextView = itemView.findViewById(R.id.memberName)
        private val lastName: TextView = itemView.findViewById(R.id.lastName)
        private val firstName:TextView = itemView.findViewById(R.id.firstName)
        private val emailAddress:TextView = itemView.findViewById(R.id.emailAddress)
        private val phone:TextView = itemView.findViewById(R.id.phone)

        fun bind(member: Member) {

            memberAge.text = member.age.toString()
            lastName.text = member.name.last
            firstName.text = member.name.first
            emailAddress.text = member.email
            phone.text = member.phone

        }
    }

}