Saikat Chakrabarti, former chief of staff for Rep Alexandria Ocasio-Cortez, D-N.Y., who recently launched a campaign against Rep. Nancy Pelosi, D-Calif., was once pictured wearing a shirt that depicted a Nazi collaborator.

Former speaker Nancy Pelosi (D-Calif.) has a fight on hands is she wants to keep her seat in Congress. That’s because Saikat Chakrabarti, a former chief of staff for Rep. Alexandria Ocasio-Cortez (D-N.Y.), threw his had in the ring for the seat, Politico reported.

Cortez’s former chief of staff plans to mount a primary campaign against one of his former boss’ main antagonists in Congress: Nancy Pelosi. Saikat Chakrabarti wants to unseat the 84-year-old, who is running for her 21st term.