I would get hammock straps for a tree, or arbor straps and just loop the fabric through and tie it around the tree. Guying straps are made to be tree friendly.

https://smile.amazon.com/Habitech-Staking-Guying-Material-Strength/dp/B07JH1FHTC/ref=mp_s_a_1_3?crid=2LYC4R2YZP5ZQ&keywords=arbor+tree+straps&qid=1667917567&sprefix=arbor+tree+straps%2Caps%2C198&sr=8-3