Full node, pruned node, laptop node, raspberry pi node, vps node... just run a node, if you care about the network and your money. It's your vote for the consensus.

If you don't know where to start: https://bitcoincore.org

What is Bitcoin Core? "Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built."