en_tn_lite_do_not_use/gal/01/04.md

for our sins

"Sins" is a metonym the punishment for sin. AT: "to take the punishment we deserved because of our sins" (See: rc://en/ta/man/translate/figs-metonymy)

that he might deliver us from this present evil age

Here "this ... age" represents the powers at work in the age. AT: "that he might bring us to a place of safety from the evil powers at work in the world today" (See: rc://en/ta/man/translate/figs-metonymy)

our God and Father

This refers to "God our Father." He is our God and our Father.