Refactored

PeopleVille/Equipment/Food.cs

@@ -1,4 +1,4 @@
-using PeopleVille.Person;
+using PeopleVille.Persons;
 
 namespace PeopleVille.Equipment
 {
@@ -17,7 +17,7 @@ namespace PeopleVille.Equipment
             Console.WriteLine("");
         }
 
-        public void Consume(Person.Person person)
+        public void Use(Person person)
         {
             person.Health += HealthPoints;
             Console.WriteLine($"");

PeopleVille/Equipment/Gun.cs

@@ -1,4 +1,4 @@
-using PeopleVille.Person;
+using PeopleVille.Persons;
 
 namespace PeopleVille.Equipment
 {
@@ -17,7 +17,7 @@ namespace PeopleVille.Equipment
             Console.WriteLine("");
         }
 
-        public void Shoot(Person.Person target)
+        public void Use(Person target)
         {
             target.Health -= this.Damage;
             Console.WriteLine($"");

PeopleVille/Equipment/IEquipment.cs

@@ -1,8 +1,11 @@
-namespace PeopleVille.Equipment
+using PeopleVille.Persons;
+
+namespace PeopleVille.Equipment
 {
     interface IEquipment
     {
         public void Equip();
         public void Unequip();
+        public void Use(Person person);
     }
 }

PeopleVille/Person/AdultCitizen.cs

@@ -1,4 +1,4 @@
-namespace PeopleVille.Person
+namespace PeopleVille.Persons
 {
     public class AdultCitizen : Person
     {

PeopleVille/Person/ChildCitizen.cs

@@ -1,4 +1,4 @@
-namespace PeopleVille.Person
+namespace PeopleVille.Persons
 {
     public class ChildCitizen : Person
     {

PeopleVille/Person/Person.cs

@@ -1,4 +1,4 @@
-namespace PeopleVille.Person
+namespace PeopleVille.Persons
 {
     public abstract class Person
     {