en_tn_lite_do_not_use/deu/15/18.md

It must not seem difficult for you to let him go free from you

This means that they are not resent it when they let someone go free. This can be stated in active form. Alternate translation: "Be pleased when you let him go free" (See: rc://en/ta/man/jit/figs-litotes)

given twice the value of a hired person

This means the owner only had to pay have the amount for this slave to work than he would for a person he hired to do a job.

a hired person

This is a person who works for pay.