What is a scab and why is UAW leader calling Trump one?

In the course of the Democratic Nationwide Conference on Monday evening, United Auto Staff President Shawn Fain made an announcement with extra than simply his phrases.

Carrying a purple shirt that learn “Trump is a scab. Vote Harris,” Fain caught quite a lot of consideration. 

However what does “scab” imply, and why is it such a giant deal?

What’s a scab?

In easy phrases, a “scab” is somebody who works throughout a strike, crossing the picket line whereas others are protesting for higher circumstances. It’s a phrase that union members use as an insult, implying that the individual is betraying their fellow staff by not standing with them.