'Tax gatherer' in the Bible

After this he went forth and noticed a tax-gatherer, named Levi, sitting at the tax-office, and said to him, "Follow me."

"Two men are going up to the temple to pray; the one a Pharisee, the other a tax-gatherer.

"The Pharisee stood apart and thus began to pray by himself. "'O God, I thank thee that I am not like the rest of men, extortioners, rogues, adulterers, or even like this tax gatherer;

"But the tax-gatherer, standing far back, would not lift up so much as his eyes to heaven, but kept beating his breast and saying, "'O God be merciful to me, the sinner!'