Rally, apply pressure to local politics, interfere with the workings of the government and their loyalists…
Putting up political stickers, Grafitti, sharing leaflets and more action forms to drive up costs of operations for the Trump system.
For more specific actions you could take inspiration from Palaction, who take action against Britains complicity in the Gaza genocide. https://www.palestineaction.org/
I said “start with”. Which also is consistent with point 2, that it does not have to be the grand act of plotting a political execution, robbing the army of their weapons and other activities requiring strong dedication and risk taking.
Also do you expect people on an internet forum to recommend you specific actions that could be considered illegal, for which they could also get in trouble?