i dont think there is electrum support. i'm willing to claim and send your btg to you since i have the full wallet installed. just pay me a fair fee. no guarantees but i'm highly trusted.
All he needs is the private key and he could import that information into a Coinomi wallet then he could claim Bitcoin Gold coins.
I'm not sure that's true. OP mentioned an Electrum Segwit wallet, which I think uses bech32. My coins were all stored in standard addresses, so I was able to use Coinomi to sweep the private keys. However, I've heard from multiple sources that this only works for standard (1xxxx) addresses, not multisig (3xxxx) or bech32 (bcxxx) addresses.
For multisig, I think the only option at this point is to use the BTG Core wallet. And honestly, I don't know if they support bech32 addresses at all.
And downloading anything from the Bitcoin Gold website is pretty dangerous at this time. They put out a warning on Twitter yesterday that their website had been hijacked. Apparently they were serving up malware in their wallet downloads for the better part of two days. So I would be careful downloading anything from their site. Hopefully some better solutions emerge. Right now, there's nothing besides Coinomi, and that only works on Android with standard addresses.