Networking - How make a server?

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Sockets;
using System.Threading;

namespace server
{
    class server
    {
        List<tcpclient> clientList;
        TcpListener listener;

        public server(int port)
        {
            clientList = new List<tcpclient>();
            listener = new TcpListener(System.Net.IPAddress.Any, port);
            listener.Start();

        }

        public void listengForClient()
        {
            Thread newClient = new Thread(listeningForNewClient);
            newClient.Start();
        }

        private void listeningForNewClient()
        {
            while (true)
            {
                TcpClient client = default(TcpClient);
                client = listener.AcceptTcpClient();

                lock (clientList)
                {
                    clientList.Add(client);
                    Console.WriteLine(" >> Adding new client... Client count: " + clientList.Count);
                }
            }
        }

        public void receiveDateFromClients()
        {
            Thread receiver = new Thread(receiveDate);
            reciver.Start();
        }

        private void receiveDate()
        {
            while (true)
            {
                lock(clientList)
                for (int i = 0; i < clientList.Count; i++)
                {
                    if (clientList[i].Connected)
                    {
                        if (clientList[i].Available > 0)
                        {
                            // get message form i-client
                            Console.WriteLine(" >> >> >> Message from client: " + i);
                            
                        }
                    }
                    else
                    {
                        // client disconnected so it is removing
                        Console.WriteLine(" >> >> Removing client: " + i);
                        clientList.RemoveAt(i);
                        i--; if (i < 0) i = 0;
                    }
                }
            }
        }
    }
}
</tcpclient></tcpclient>