In theory I will be retire next year and thise 2021 camp iswill be my last one! In theory I will retire next year and the 2021 camp will be my last one!

grammar

Thanks to the lack of new recruitment, I can easily continue this part time job. Thanks to the lack of new recruitment, I can easily continue this part time job.

why?

Another special meaning about this camp was the districtThis camp is also special because of the district it is held in. This camp is also special because of the district it is held in.

I'm not sure what you mean but I think this is what you meant

I washad been working in this district for 19 years, but 7 years agoefore I was forced to another district 7 years ago. I had been working in this district for 19 years, before I was forced to another district 7 years ago.

But infor my last camp I choicese to return to this district e.Even now I still feel surprised. But for my last camp I chose to return to this district .Even now I still feel surprised.

Yesterday, was only the second day of this camp. Yesterday was only the second day of this camp.

Comma not necessary here

The young people already “mouth-fight” and winwith the senior supervisor and they are winning. The young people already “mouth-fight” with the senior supervisor and they are winning.

what is "mouth-fight"?

I love hanging out with young people. I love hanging out with young people.