<p>11:2- see on Acts 10:20; 15:5.</p><p><i>And when Peter had arrived in Jerusalem, they that were of the<em> circumcision</em></i>- This term seems to refer not simply to circumcised Jews, because the majority of the church was Jewish. Rather would it seem to refer to those within the church who thought that circumcision was essential for salvation.</p><p><em>Criticized him, saying</em>- The Greek <em>diakrino</em> can equally mean to enter judgment with. It's as if they set themselves up as Peter's judges before a church which had turned into a court of law. This so easily happens to this day.</p>