I am planning on placing a hottub outside a couple feet from a metal downspout and a metal water faucet.

What is the best way to bond these metal objects? Or perhaps some options to bond them?

I am running 6/3 with ground to a disconnect and then from there to the hottub. Between the disconnet and the hottub is where the downspout and faucet are located.
Can I run the ground wire from the 4 wires to each of those objects and connect them to them and then to the hottub? Or does the bonding wire have to be a separate wire?

Thanks for any info.

Separate.