He says that he wore the pin in honor of a coworker who died by suicide earlier this year.
The lawmakers torched the company for withholding wage and benefits increases to union members.
Workers had refused to return to work after a fire broke out in a compactor in the warehouse.
Amazon Labor Union says that over 650 workers waged a work stoppage in protest of unsafe working conditions.
Workers have waged close to 300 strikes this year so far, compared to about 260 strikes last year.
The union says that staffers in other offices have expressed an interest in unionizing.
GEICO United is attempting to organize 2,600 employees of the insurance giant in Buffalo, New York.
Multibillion-dollar companies are spending thousands a day to defeat attempts by their low-paid workers to organize.
The three-day strike resulted in a tentative deal including raises and improved health care benefits.
The California governor has signed a law that makes it easier for farmworkers to participate in union elections.