“Infringe” means “to violate, to breach a contract.” That is to say, the right of the people to keep and bear arms cannot be violated by the federal government, not by Congress — the only lawmaking body — nor by the Supreme Court nor by the president, despite his decrees to the contrary.
https://thenewamerican.com/biden-orders-federal-agencies-to-more-aggressively-disarm-americans/