noun
online streamer; live streamer
Wasei-eigo from 'live' + '-er'. Refers to someone who broadcasts live content online, especially on platforms like YouTube or Twitch. Colloquial.
wasei-eigo (Japanese-coined English), from live+er
彼女は人気のライバーとして毎日配信している。
She streams every day as a popular online streamer.
ライバーになるには機材が必要だ。
You need equipment to become a streamer.