Luke 5:30 has Pharisees asking why Jesus eats with tax collectors and sinners — the exact same accusation repeated here.

Luke 7:34 records Jesus saying he is called a friend of tax collectors and sinners — the grumbling here fulfills that accusation.

Luke 7:39 shows a Pharisee doubting Jesus' holiness for associating with a sinner — same critical attitude as the crowd here.

Luke 15:2 has Pharisees grumbling that Jesus receives sinners and eats with them — a direct parallel to this complaint.

Luke 7:37 describes a sinful woman anointing Jesus — also draws criticism for associating with a sinner. Similar scenario.

Luke 18:9-14 parables a tax collector's humility versus a Pharisee's pride — illuminates why Jesus would go to a tax collector like Zacchaeus.

Matthew 9:11 records the same question about Jesus eating with tax collectors and sinners — cross-Gospel version of the grumbling.

Matthew 11:19 records the same accusation that Jesus is a friend of tax collectors and sinners, directly echoing the complaint here.

Mark 2:16 records Pharisees asking why Jesus eats with tax collectors and sinners — the exact same objection as here.

Matthew 21:28-31 parables tax collectors entering the kingdom — connects to Jesus accepting Zacchaeus as a repentant tax collector.