Matthew 5:46
For if you love [only] those who love you, what reward will you get for that? Do not even the publicans [Note: These were people with a bad reputation for their dishonest tax collecting activities] do that much?
Luke 6:32-35
And if you love [only] those who love you, what thanks do you deserve for doing that? For even worldly people love those who love them.
Matthew 6:1
"Be careful that you do not do your good deeds in front of people for the purpose of being seen by them, for [if you do] you will not have a reward from your Father in heaven.
Matthew 9:10-11
And so it happened, as Jesus was having a meal at Matthew's house, a number of [other] tax collectors and worldly people came to sit down with Him and His disciples.
Matthew 11:19
[Then] the Son of man came eating and drinking [at festive occasions] and they said, 'Look, He is a glutton and a drunkard and a friend of tax collectors and worldly people.' It proves that [God's] wise counsel is right by the way things turn out."
Matthew 18:17
And if he refuses to listen to them [i.e., the witnesses], explain the [whole] matter to the church [i.e., probably a specially called meeting of mature Christians to resolve the matter]. And if he refuses to listen to the church also, [i.e., to acknowledge his sin and repent of it], consider him like an [unconverted] Gentile or tax collector [i.e., do not have fellowship with him].
Matthew 21:31-32
Which of these two sons did what his father wanted?" They answered, "The first one." Jesus said to them, "Truly I tell you, tax collectors and prostitutes [will] enter the kingdom of God ahead of you.
Luke 15:1
Now the tax collectors and worldly people were all gathering around Jesus to listen to Him.
Luke 18:13
But the tax collector stood at a distance [i.e., inconspicuously] and would not even look up to heaven, but struck his chest [i.e., in remorse], saying, 'God, [please] have mercy on a sinner like me.'
Luke 19:2
Just then, there appeared a man named Zacchaeus, who was a wealthy, chief tax collector.
Luke 19:7
And when the crowd saw this, they began complaining [i.e., because Zacchaeus was a despised tax collector] and said, "He is going to lodge with a sinful man."
1 Peter 2:20-23
But it is no credit to you if you put up with a beating you deserve. But if you patiently tolerate suffering for doing good, this is pleasing to God.