diff --git a/app/controllers/practices_controller.rb b/app/controllers/practices_controller.rb
index 88cb4ea0636..711c34b6f8f 100644
--- a/app/controllers/practices_controller.rb
+++ b/app/controllers/practices_controller.rb
@@ -3,14 +3,17 @@ class PracticesController < ApplicationController
   before_action :set_practice, only: %w(show edit update destroy)
 
   def index
-    case current_user.major
-    when :programmer
-      @practices = Practice.for_programmer
-    when :designer
-      @practices = Practice.for_designer
-    else
-      @practices = Practice.all
-    end
+    @practices =
+      if current_user.job.present?
+        case current_user.job
+        when :programmer
+          Practice.for_programmer
+        when :designer
+          Practice.for_designer
+        end
+      else
+        Practice.all
+      end
   end
 
   def show
@@ -48,7 +51,7 @@ def destroy
 
   private
     def practice_params
-      params.require(:practice).permit(:title, :description, :aim)
+      params.require(:practice).permit(:title, :description, :target)
     end
 
     def set_practice
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 4401a6fae61..182a645c81f 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -50,7 +50,7 @@ def user_params
         :email,
         :password,
         :password_cofirmation,
-        :major
+        :job
       )
     end
 
diff --git a/app/decorators/practice_decorator.rb b/app/decorators/practice_decorator.rb
index bc42c90bb3b..686d19ae092 100644
--- a/app/decorators/practice_decorator.rb
+++ b/app/decorators/practice_decorator.rb
@@ -14,12 +14,16 @@ def learning_status(user_id)
   end
 
   def for
-    t('for', aim: t(self.aim))
+    t('for', target: t(self.target))
   end
 
   private
     def btn_group
-      { 'unstarted' => 'btn', 'active' => 'btn btn-info', 'complete' => 'btn btn-success' }
+      {
+        'unstarted' => 'btn',
+        'active'    => 'btn btn-info',
+        'complete'  => 'btn btn-success'
+      }.freeze
     end
 
     def generate_button(status, btn_name, btn_class)
diff --git a/app/models/practice.rb b/app/models/practice.rb
index e7c7ff9e234..d4e9ef2e208 100644
--- a/app/models/practice.rb
+++ b/app/models/practice.rb
@@ -1,10 +1,11 @@
 class Practice < ActiveRecord::Base
   include RankedModel
   ranks :row_order
-  as_enum :aim, [:everyone, :programmer, :designer]
+  as_enum :target, [:everyone, :programmer, :designer]
   has_many :learnings
   validates :title, presence: true
   validates :description, presence: true
-  scope :for_programmer, ->{ where.not(aim_cd: Practice.designer) }
-  scope :for_designer, ->{ where.not(aim_cd: Practice.programmer) }
+
+  scope :for_programmer, ->{ where.not(target_cd: Practice.designer) }
+  scope :for_designer, ->{ where.not(target_cd: Practice.programmer) }
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index 4ae884b6195..8a1e1d77443 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,5 +1,5 @@
 class User < ActiveRecord::Base
-  as_enum :major, [:programmer, :designer]
+  as_enum :job, [:programmer, :designer]
   authenticates_with_sorcery!
   has_many :learnings
 
diff --git a/app/views/practices/_form.html.haml b/app/views/practices/_form.html.haml
index 8eb46ead937..967e8b6c975 100644
--- a/app/views/practices/_form.html.haml
+++ b/app/views/practices/_form.html.haml
@@ -3,5 +3,5 @@
     = error_messages_for :practice
   = f.input :title, input_html: { class: 'input-block-level' }
   = f.input :description, input_html: { class: 'input-block-level', rows: 20 }
-  = f.input :aim, collection: Practice.aims_for_select
+  = f.input :target, collection: Practice.targets_for_select
   = f.submit nil, class: 'btn btn-primary'
diff --git a/app/views/users/_form.html.haml b/app/views/users/_form.html.haml
index c635b391a57..4cdf7895b31 100644
--- a/app/views/users/_form.html.haml
+++ b/app/views/users/_form.html.haml
@@ -7,5 +7,5 @@
   = f.input :email, hint: false, placeholder: t('helpers.label.user.email')
   = f.input :password, hint: false, placeholder: t('helpers.label.user.password')
   = f.input :password_confirmation, hint: false, placeholder: t('helpers.label.user.password_confirmation')
-  = f.input :major, collection: User.majors_for_select
+  = f.input :job, collection: User.jobs_for_select
   = f.submit nil, class: 'btn btn-large'
diff --git a/app/views/users/show.html.haml b/app/views/users/show.html.haml
index ecfaf98cb46..20fadf817e8 100644
--- a/app/views/users/show.html.haml
+++ b/app/views/users/show.html.haml
@@ -1,4 +1,4 @@
 .icon= gravatar_tag @user, size: 100
 %p= @user.login_name
 %p= @user.full_name
-%p= t(@user.major)
+%p= t(@user.job)
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index e32d97bb3b6..7319097b459 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -337,4 +337,4 @@ ja:
   user_was_successfully_updated: "ユーザーを更新しました。"
   practice_was_successfully_updated: "ユーザーを更新しました。"
   complete: '完了'
-  for: '%{aim}向け'
+  for: '%{target} 課題'
diff --git a/db/migrate/20130315065106_add_columns_to_users_and_practices.rb b/db/migrate/20130315065106_add_columns_to_users_and_practices.rb
index 34c5187bf6c..47c1ba37d3c 100644
--- a/db/migrate/20130315065106_add_columns_to_users_and_practices.rb
+++ b/db/migrate/20130315065106_add_columns_to_users_and_practices.rb
@@ -1,6 +1,6 @@
 class AddColumnsToUsersAndPractices < ActiveRecord::Migration
   def change
-    add_column :practices, :aim_cd, :integer, null: false, default: 0
-    add_column :users,     :major_cd, :integer
+    add_column :practices, :target_cd, :integer, null: false, default: 0
+    add_column :users,     :job_cd, :integer
   end
 end
diff --git a/db/schema.rb b/db/schema.rb
index f4fe40bfec8..522633375f1 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -26,7 +26,7 @@
     t.text     "description"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.integer  "aim_cd",      default: 0, null: false
+    t.integer  "target_cd",   default: 0, null: false
     t.integer  "row_order"
   end
 
@@ -41,7 +41,7 @@
     t.datetime "remember_me_token_expires_at"
     t.string   "first_name"
     t.string   "last_name"
-    t.integer  "major_cd"
+    t.integer  "job_cd"
   end
 
   add_index "users", ["remember_me_token"], name: "index_users_on_remember_me_token"
diff --git a/db/seeds.rb b/db/seeds.rb
index 099f09f44d6..643960381ca 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -12,7 +12,7 @@
   email: 'komagata@gmail.com',
   password: 'testtest',
   password_confirmation: 'testtest',
-  major_cd: 0
+  job_cd: 0
 )
 
 User.create!(
@@ -22,7 +22,7 @@
   email: 'machidanohimitsu@gmail.com',
   password: 'testtest',
   password_confirmation: 'testtest',
-  major_cd: 1
+  job_cd: 1
 )
 
 import_fixture 'practices'