how do you say streamer in japanese

In Japanese, “streamer” is most commonly 配信者（はいしんしゃ） for an online/live streamer.

Common options

• 配信者（はいしんしゃ, haishinsha） : livestreamer, broadcaster.

• ストリーマー（sutorīmā） : loanword used for “streamer,” especially in gaming/online contexts.

• 吹き流し（ふきながし, fukinagashi） : another meaning of “streamer,” but this refers to a decorative streamer or windsock, not a person.

Natural usage

• この人は人気の配信者です。
  This person is a popular streamer.

• 彼はゲーム配信者です。
  He is a game streamer.

For everyday conversation, 配信者 is usually the safest and most natural choice for a person who streams online.