Ruach HaKodesh (roo-akh hah-KO-desh) is רוּחַ הַקֹּדֶשׁ in Hebrew. This is the name for the Holy Spirit as part of the trinity. It means Holy Spirit, Divine One, or Spirit of the Holiness. Ruach is spirit, wind, or breath. HaKodesh is the holy or holiness. God and Jesus have masculine names, but Ruach HaKodesh is feminine in Hebrew which makes it different from the others, yet the church still refer the Holy Spirit as he/him.
Ruach HaKodesh is used to refer to the presence and power of God. The Holy Spirit is the Breath of Life. He is the one that empowers, guides, comforts, and is the divine presence of God in your life. He is the presence that brings comfort to your soul. He is the advocate that Jesus promised to all that follow him.
When you pray to Ruach HaKodesh you are approaching God as if you need your mother. You tell him everything. You our out your soul because you know he understands and will relate what you are saying properly to God the Father on your behalf. You pray to Ruach HaKodesh as you are being transformed to be more like Jesus. Transformation makes you stronger, but it is a hard process. Ruach HaKodesh cares and is there with you.
Genesis 1:1-2, 1 Samuel 16:13, Psalm 143:7-12, Isaiah 44:1-5, Ezekiel 37:11-14, Joel 2:28-32, John 14:23-26, Ephesians 4:20-24, & 1 John 5:1-12