how to add inheritance between two c# files?

ive created tw c# files one called Pirate.cs and Gang.cs . I have John Adams in Gang.cs and i want pirate.cs to print it out but it doesnt work. could anyone help me find out the proper way to do inheritance in c# and how to get my code to work? Pirate.cs using System; namespace PirateApp { class Pirate : Gang { public string Name { get; set; } protected bool HasEyepatch { get; set; } private DateTime Birthday { get; set; } public Pirate(string name) { Name = name; } public void Swear(string[] swearWords) { foreach (var word in swearWords) { Console.WriteLine($"Arrr! {word}"); } } } class Program { static void Main(string[] args) { Console.WriteLine($"The name of the pirate is {Pirate.Name}"); } } } Gamg.cs namespace PirateApp { public class Gang { private string _territory = "Caribbean"; public string Name { get; set; } = "John Adams"; public int MemberCount { get; set; } = 30; public string Territory { get => _territory; protected set => _territory = value; } public Gang(string name, int memberCount, string territory) { Name = name; MemberCount = memberCount; _territory = territory; } public void UpdateTerritory(string newTerritory) { _territory = newTerritory; } } }