NET
21 For to this you were called, since Christ also suffered for you, leaving an example for you to follow in his steps.
Darby
21 For to this have ye been called; for Christ also has suffered for you, leaving you a model that ye should follow in his steps:
KJV
21 For even hereunto were ye called: because Christ also suffered for us, leaving us an example, that ye should follow his steps: