Ideal pick for hunter is Hep. Take the knight ally and he’ll tank for you extremely well. You can shoot through him! It’s really good!

If you’re looking for something a bit different than that, try Fedhas or Nemelex. Both give you tons of options but require a bunch of invocations investment.

Fedhas’ wall of briars is super good for basically giving yourself a mini “sniper nest” to both shoot from and retreat past/to. Ballistomycete is scary powerful (but a bit dangerous to use if you’re not careful) and can wipe out large numbers of enemies by itself, as long as you protect it. Oklob plants are snipers themselves and totally safe to use. Overgrowth lets you break into vaults or otherwise get through walls even wands of digging cannot breach.

It must also be mentioned that if swamp generates in your game then Fed makes that branch totally free (or as close to free as you can get without it being like Slime for Jiyva).

Nemelex is just amazing. The strongest invocations-based god in the game. The one caveat is that you must use the cards regularly to get any benefit. If you’re the type of player who hoards consumables for the entire game and treats Nemelex like just another source of consumables then you won’t get anything out of it. Use the cards early and often in fights, before you feel like you’re in danger. They’re really quite fun to use too. Think of yourself like a gambling-based magic user with cards instead of spells. You’ll have a great time!

I just won a Naga Hunter of Chei run which was a lot of fun. Found a hand crossbow with penetration which was amazing. Probably a mid-tier god choice though. It's more that hunter helps minimizes Chei's weaknes (don't have to move much in combat) rather than vice versa.

Agree Hep Knights are the best choice.