diff --git a/src/locales/ja/trainer-classes.json b/src/locales/ja/trainer-classes.json
index 9e26dfeeb6e..37489e5e479 100644
--- a/src/locales/ja/trainer-classes.json
+++ b/src/locales/ja/trainer-classes.json
@@ -1 +1,130 @@
-{}
\ No newline at end of file
+{
+  "ace_trainer": "エリートトレーナー",
+  "ace_trainer_female": "エリートトレーナー",
+  "ace_duo": "エリートコンビ",
+  "artist": "芸術家",
+  "artist_female": "芸術家",
+  "backers": "ファンクラブ",
+  "backpacker": "バックパッカー",
+  "backpacker_female": "バックパッカー",
+  "backpackers": "バックパッカーズ",
+  "baker": "ベーカリー",
+  "battle_girl": "バトルガール",
+  "beauty": "大人のおねえさん",
+  "beginners": "初心者",
+  "biker": "暴走族",
+  "black_belt": "カラテ王",
+  "breeder": "ポケモンブリーダー",
+  "breeder_female": "ポケモンブリーダー",
+  "breeders": "ポケモンブリーダー",
+  "clerk": "ビジネスマン",
+  "clerk_female": "ＯＬ",
+  "colleagues": "ビジネスパートナー",
+  "crush_kin": "格闘兄妹",
+  "cyclist": "サイクリング",
+  "cyclist_female": "サイクリング",
+  "cyclists": "サイクリングチーム",
+  "dancer": "ダンサー",
+  "dancer_female": "ダンサー",
+  "depot_agent": "鉄道員",
+  "doctor": "ドクター",
+  "doctor_female": "ドクター",
+  "firebreather": "火吹きやろう",
+  "fisherman": "釣り人",
+  "fisherman_female": "釣り人",
+  "gentleman": "ジェントルマン",
+  "guitarist": "ギタリスト",
+  "guitarist_female": "ギタリスト",
+  "harlequin": "クラウン",
+  "hiker": "山男",
+  "hooligans": "バッドチーム",
+  "hoopster": "バスケ選手",
+  "infielder": "野球選手",
+  "janitor": "清掃員",
+  "lady": "お嬢さま",
+  "lass": "ミニスカート",
+  "linebacker": "フットボーラー",
+  "maid": "メイド",
+  "madame": "マダム",
+  "medical_team": "医療チーム",
+  "musician": "ミュージシャン",
+  "hex_maniac": "オカルトマニア",
+  "nurse": "ナース",
+  "nursery_aide": "保育士",
+  "officer": "お巡りさん",
+  "parasol_lady": "パラソルおねえさん",
+  "pilot": "パイロット",
+  "pokéfan": "大好きクラブ",
+  "pokéfan_female": "大好きクラブ",
+  "pokéfan_family": "大好き夫婦",
+  "preschooler": "園児",
+  "preschooler_female": "園児",
+  "preschoolers": "園児たち",
+  "psychic": "サイキッカー",
+  "psychic_female": "サイキッカー",
+  "psychics": "サイキッ家",
+  "pokémon_ranger": "ポケモンレンジャー",
+  "pokémon_ranger_female": "ポケモンレンジャー",
+  "pokémon_rangers": "レンジャーズ",
+  "ranger": "レンジャー",
+  "restaurant_staff": "レストランスタッフ",
+  "rich": "お金持ち",
+  "rich_female": "お金持ち",
+  "rich_boy": "お坊っちゃま",
+  "rich_couple": "お二人さま",
+  "rich_kid": "ブルジョワの男子",
+  "rich_kid_female": "ブルジョワの女子",
+  "rich_kids": "ブルジョワの子達",
+  "roughneck": "スキンヘッズ",
+  "sailor": "船乗り",
+  "scientist": "研究員",
+  "scientist_female": "研究員",
+  "scientists": "研究チーム",
+  "smasher": "テニスプレイヤー",
+  "snow_worker": "冷凍作業員",
+  "snow_worker_female": "冷凍作業員",
+  "striker": "サッカー選手",
+  "school_kid": "塾がえり",
+  "school_kid_female": "塾がえり",
+  "school_kids": "塾生たち",
+  "swimmer": "海パンやろう",
+  "swimmer_female": "ビキニのおねえさん",
+  "swimmers": "水着カップル",
+  "twins": "双子ちゃん",
+  "veteran": "ベテラントレーナー",
+  "veteran_female": "ベテラントレーナー",
+  "veteran_duo": "ベテランコンビ",
+  "waiter": "ウエーター",
+  "waitress": "ウエートレス",
+  "worker": "作業員",
+  "worker_female": "作業員",
+  "workers": "作業班",
+  "youngster": "短パン小僧",
+  "rocket_grunt": "ロケット団の下っ端",
+  "rocket_grunts": " ロケット団の下っ端",
+  "rocket_grunt_female": "ロケット団の下っ端",
+  "magma_grunt": "マグマ団の下っ端",
+  "magma_grunt_female": "マグマ団の下っ端",
+  "magma_grunts": "マグマ団の下っ端",
+  "aqua_grunt": "アクア団の下っ端",
+  "aqua_grunt_female": "アクア団の下っ端",
+  "aqua_grunts": "アクア団の下っ端",
+  "galactic_grunt": "ギンガ団の下っ端",
+  "galactic_grunt_female": "ギンガ団の下っ端",
+  "galactic_grunts": "ギンガ団の下っ端",
+  "plasma_grunt": "プラスマ団の下っ端",
+  "plasma_grunt_female": "プラズマ団の下っ端",
+  "plasma_grunts": "プラズマ団の下っ端",
+  "flare_grunt": "フレア団の下っ端",
+  "flare_grunt_female": "フレア団の下っ端",
+  "flare_grunts": "フレア団の下っ端",
+  "aether_grunt": "エーテル財団の職員",
+  "aether_grunt_female": "エーテル財団の職員",
+  "aether_grunts": "エーテル財団の職員",
+  "skull_grunt": "スカル団の下っ端",
+  "skull_grunt_female": "スカル団の下っ端",
+  "skull_grunts": "スカル団の下っ端",
+  "macro_grunt": "マクロコスモスのトレーナ",
+  "macro_grunt_female": "マクロコスモスのトレーナ",
+  "macro_grunts": "マクロコスモスのトレーナ"
+}