std::string sender = Get_Player_Name_By_ID(ID);

name = Get_Player_Name(obj);

const char *sender_cstr = Get_Player_Name_By_ID(ID);
std::string sender(sender_cstr);
delete []sender_cstr;

const char *name_cstr = Get_Player_Name(obj);
name = std::string(name_cstr); //you don't need to explicitly call the ctor as the assignment operator is overloaded. Just added for clarity.
delete []name_cstr;