mainstreamer

plural mainstreamers

1. Someone in the mainstream.

   But to Goldwater and Bozell it was the mainstreamers who were the true aliens.

   2007 November 8, Peter Beinart, “Marching After Goldwater in the Opposite Direction”, in New York Times

   1 more example

   And what a strange souvenir it is of its time: when mainstreamers desperate to save a newspaper clung for dear life to subversive wit!

   1991 February 8, Michael Miner, “Sun-Times Picks a Critic/Skip in Time”, in Chicago Reader

   Synonyms: basic bitch, bourgeois, L7, mainstreamist, muggle, mundane, normal, normalfag