1 Peter 4:1

Therefore, since Christ suffered in His body, arm yourselves with the same resolve, because anyone who has suffered in his body is done with sin.

Note BYZ and TR include for us.

Forasmuch then as Christ hath suffered for us in the flesh, arm yourselves likewise with the same mind: for he that hath suffered in the flesh hath ceased from sin;

Therefore, since Christ suffered for us in the flesh, arm yourselves also with the same mind; for he who has suffered in the flesh has ceased from sin,

Forasmuch then as Christ suffered in the flesh, arm ye yourselves also with the same mind; for he that hath suffered in the flesh hath ceased from sin;