NET
7 then he must confess his sin that he has committed and must make full reparation, add one-fifth to it, and give it to whomever he wronged.
Darby
7 then they shall confess their sin which they have done; and he shall recompense his trespass according to the principal thereof, and shall add unto it the fifth part thereof, and give it unto him against whom he hath trespassed.
KJV
7 Then they shall confess their sin which they have done: and he shall recompense his trespass with the principal thereof, and add unto it the fifth [part] thereof, and give [it] unto [him] against whom he hath trespassed.