Project owner, please tell me the central position in the design should be given to the logo? Please explain it thanks.

Logo front small and back side big with text FINISHER.... etc.

OK.

Hi, could you please share the previous event shirts to better understand your preferred design style?

Hi, that has no sense because I know want a total new kind of design. that's why I also added the photos

Feedback on my design would be appreciated.

Hello,
I eagerly anticipate your valuable feedback on my designs. Feel free to suggest any modifications you deem necessary.
Thank you.

check the messages/reactions under your designs. I made several notes. Almost there.