'Child' in the Bible

who by the Holy Spirit, through the mouth of our father David, Your servant, said,‘Why did the nations (Gentiles) become arrogant and rage,And the peoples devise futile things [against the Lord]?

For in this city there were gathered together against Your holy Servant Jesus, whom You anointed, both Herod and Pontius Pilate, along with the Gentiles and the peoples of Israel,

while You extend Your hand to heal, and signs and wonders (attesting miracles) take place through the name [and the authority and power] of Your holy Servant and Son Jesus.”

But He did not give him inheritable property, not even enough ground to take a step on, yet He promised that He would give it to Him as a possession, and to his descendants after him.