C++ Header File Questions!

#ifndef_PLAYER_H_
#define _PLAYER_H_

class Player {
private:
    char * id;
    char * job;
    int level;
    int hp;

public:
    void setId(char * id);
    void setJob(char * job);
    void setLevel(int level);
    void setHp(int hp);
};

#endif

#include <iostream>
#include "Player.h"

using namespace std;
//default constructor
void Player() {
    cout << "Create an object.";
}

//Initial value generator (parameter)
void Player(char * id, char * job, int level, int hp) {
    setHp(10); // Error output here! (Identifier "setHp" is not defined.)
}


//Setter
void Player::setId(char * id) {
    this->id = new char[strlen(id) + 1];
    strcpy_s(this->id, strlen(id) + 1, id);
}

void Player::setJob(char * job) {
    this->job = new char[strlen(job) + 1];
    strcpy_s(this->job, strlen(job) + 1, job);
}

void Player::setLevel(int level) {
    this->level = level;
}

void Player::setHp(int hp) {
    this->hp = hp;
}