A person God has prepared to hear the Gospel

Scripture references

Matthew 10:13 (ASV)

13And if the house be worthy, let your peace come upon it: but if it be not worthy, let your peace return to you.

Luke 10:6 (ASV)

6And if a son of peace be there, your peace shall rest upon him: but if not, it shall turn to you again.

Stories

The Bible that was always in the hotel rooms he lodged, and which he read secretly, was what God used to prepare the heart of Jew to receive gladly, the message of salvation when it was finally preached to him; by a random stranger nonetheless.
A woman who invited Robert Gribble into her neighborhood becomes the first to enjoy the blessing of the Lord in regard to his visit demonstrating Matthew 10:13.
A poor waggoner named Richard was returning home from work one evening when he was led to pray, while yet an unbeliever for his salvation. That same evening, Richard's ready heart, gladly received the gospel.