twitcher

Meanings

1. Someone or something that twitches.
2. An avid birdwatcher who travels long distances to see rare species, or to add a new species to their personal list; a birder who goes on twitches.

1. A streamer on the video livestream service Twitch.

Etymology

From twitch + -er. The birdwatching sense first recorded in 1970 and recalled as being in use in 1968; claimed by R.E. Emmett to have arisen in 1950s Britain in reference to birder Howard Medhurst who often arrived at rare‑bird sites shivering after riding pillion on Emmett's motorcycle.