> 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.
CC BY-SA 3.0
2017-06-29T02:23:38.083
48851
2017-06-29T03:00:36.617
2017-06-29T02:29:36.860
22187
22187
question
grammar
Use of でもし in this sentence
> 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)
CC BY-SA 3.0
2017-06-29T03:00:36.617
48856
2017-06-29T03:00:36.617
22711
48851
answer