scab

There’s a toughness in them, as several showed off scabs on their arms.

He ridiculed people who keep bringing up the audio leak scandal, proclaiming that he has moved forward while they “see the scab” from the wound it caused and “continue to scratch and scratch and scratch.”

This is why United Auto Workers endorsed the Democratic ticket, with the president Shawn Fain calling Trump a "scab."

But perhaps one of the most memorable lines of the night came from United Automobile Workers President Shawn Fain, who took the podium and called Trump a “scab” - someone who undermines organised workers.

UAW president Shawn Fain, a harsh Trump critic, previously called him a “scab.”