"We're seeing the pressures on so many people around the place and people are lonely and weary of all of this, so we decided to bring it forward.''
McCarthy said many people who were in regular contact as they accessed food vouchers and other support would also attend the dinner, which will be held at the Community Hub.
"We've got ham, turkey, we've got the venison which my son shot yesterday and beautiful desserts that someone has offered to make. So, all in all we're going to have a lovely night and just have a bit of camaraderie and feel good about the world again.''
McCarthy said the Hub had been supporting many workers from overseas.
"They don't have work, it's not that they don't want to it's just there's no work. So when they come into the Hub to get their [food] vouchers, there's a lot of tears and our volunteers are even in tears.
"Today a little girl came in to register for the dinner and she just burst into tears and said 'what a lovely thing to do'. So it's just an outreach, really, to say we're thinking of you all.''
McCarthy said tenants at the Community Hub, including the district health board and Presbyterian Support, were dealing with people with a lot of mental health issues.
"People have just hit the wall a bit. A lot of these kids can't get home and they're stuck and I'm sure it's the same for families.''
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"There's no work, there's rent to pay. It's just not easy. In fact, it wasn't easy before lockdown. Wānaka is quite affluent but a lot of people are paying very high rents, there's not a lot of disposable income. You have a glitch like this and it really does affect them badly."
McCarthy says on the night she will be behind the scenes making venison hotpots and doing the dishes.
"We don't need any money and we don't need any food, but we need quite a lot of volunteers to help us with the setting up and cleaning up. I've got all my neighbours coming to come, everyone is doing their bit.
"What has happened with Covid is that it's made everyone take a big deep breath and we've gotten to know our neighbours. We've found out that there are quite a lot of lonely people in our communities and it's just a lovely thing to be able to do something like this, that makes people feel altogether better about the world.''
- RNZ