C++数据成员和成员函数重名问题

#include<string>
#include<iostream>
using namespace std;
class Teacher
{
   public:
       Teacher(string name,int age,string gender,string address,string phonenum,string title)
       {
           this->name=name;
           this->age=age;
           this->gender=gender;
           this->address=address;
           this->phonenum=phonenum;
           this->title=title;
       }
   void display();
   
   protected:
   string name;
   int age;
   string gender;
   string address;
   string phonenum;
   string title;  //职称
};
void Teacher::display()
{
    cout<<"姓名"<<name<<endl;
    cout<<"年龄"<<age<<endl;
    cout<<"性别"<<gender<<endl;
    cout<<"地址"<<address<<endl;
    cout<<"电话"<<phonenum<<endl;
}
class Cadre
{
   public:
           Cadre(string name,int age,string gender,string address,string phonenum,string post)
       {
           this->name=name;
           this->age=age;
           this->gender=gender;
           this->address=address;
           this->phonenum=phonenum;
           this->post=post;
       }
   void display();
   protected:
   string name;
   int age;
   string gender;
   string address;
   string phonenum;   
   string post;//职务
   
};
void Cadre::display()
{
    cout<<"姓名"<<name<<endl;
    cout<<"年龄"<<age<<endl;
    cout<<"性别"<<gender<<endl;
    cout<<"地址"<<address<<endl;
    cout<<"电话"<<phonenum<<endl;
}
class Teacher_Cadre : public Teacher,public Cadre
{
    public:
        Teacher_Cadre(string name,int age, string gender, string address, string phonenum,int wage,string post):
        Teacher(name,age,gender,address,phonenum,title),Cadre(name,age,gender,address,phonenum,post)
     {
         //用基类限定符指明，避免二义性问题
         this->Teacher::name=name;
           this->Teacher::age=age;
           this->Teacher::gender=gender;
           this->Teacher::address=address;
           this->Teacher::phonenum=phonenum;
           this->post=post;
           this->wage=wage;
     }
      void show();
     private:
     int wage;   

 };

 void Teacher_Cadre ::show()

 {
     //同上
     Teacher::display();
     cout<<"职务"<<post<<endl;
     cout<<"工资"<<wage<<endl;

 }

 int main()

 {
     Teacher_Cadre l("王二",22,"man","Beng","1811",600,"Eng");
     l.show();
     return 0;

 }