Use of でもし in this sentence


> そんなわけでな、ここでもしあなたが入ってくれれば廃部にならなくてすむんだよ

Right now i have ここでもし as "(i'm) here (with some uncertainty) because..." but
it feels like a bit of a stretch.




> ここでもし => here, if

So,

> もしあなたが入ってくれれば

is what you want to focus on.

> If you had joined (the club)

