en_tn/jas/01/25.md

the person who looks carefully into the perfect law

This expression continues the image of the law as a mirror. (See: rc://en/ta/man/jit/figs-simile)

the perfect law of freedom

The relationship between the law and freedom can be expressed clearly. Here "freedom" probably refers to freedom from sin. Alternate translation: "the perfect law that gives freedom" or "the perfect law that makes those who follow it free" (See: rc://en/ta/man/jit/figs-explicit)

this man will be blessed in his actions

This can be stated in active form. Alternate translation: "God will bless this man as he obeys the law" (See: rc://en/ta/man/jit/figs-activepassive)