How does the counting of the Omer connect Passover with Shavuot?

This teaching examines Pentecost (Shavuot) through Leviticus 23 and develops the relationship between the giving of Torah at Mount Sinai and the outpouring of the Holy Spirit in Acts 2. The counting of the Omer connects Passover redemption with Shavuot covenant and instruction. The teaching explores the two leavened wave loaves, Shavuot as a firstfruits festival, the offerings, holy convocation, generosity toward the poor and stranger, and Ruth’s connection to Israel’s redemptive history. It then compares Sinai and Acts 2: preparation, timing, assembly, divine sound and fire, instruction, covenant, multilingual proclamation, and the contrasting 3,000 who died after the golden calf with the roughly 3,000 added in Acts 2. A central emphasis is that believers are ministers of the new covenant: the law remains holy and instructive, while the Spirit gives life and enables faithful obedience. The final section explores, whether Shavuot could also mark a future covenantal empowering, sealing, or commissioning of the remnant during a proposed second-exodus/tribulation framework, possibly involving the 144,000 as First Fruits.