Translation of "Unarmed" in Spanish

I'm now unarmed.

Ahora no estoy armado.

I was unarmed.

Estaba desarmado.

Tom was unarmed.

Tom estaba desarmado.

That the presumption is that the unarmed people who are protesting

que la presunción sea que la gente desarmada que está protestando

I have been having a battle of wits with an unarmed opponent!

¡He estado manteniendo una batalla de ingenio con un oponente desarmado!