When the day of Pentecost arrived, they were all together in one place. And suddenly there came from heaven a sound like a mighty rushing wind, and it filled the entire house where they were sitting. And divided tongues as of fire appeared to them and rested on each one of them. And they were all filled with the Holy Spirit and began to speak in other tongues as the Spirit gave them utteranceActs 2:1-4 (ESV)
On the day of Pentecost all the gathered believers are filled with the Holy Spirit and empowered for bold proclamation of the good new of Jesus. Boldness is not rudeness. It is courage mixed with compassion. Let us obey the directive of Christ in Luke 11:13 to ask the Father for the Holy Spirit.