Biblical Context:
The meeting of Moses and Aaron is a pivotal event in the narrative of the Exodus, marking the beginning of the liberation of the Israelites from Egyptian bondage. This encounter is recorded in the Book of Exodus, primarily in chapters 3 and 4. It is a moment that signifies divine orchestration and the unity of purpose between two brothers chosen by God to lead His people.

Scriptural Account:
The backdrop to this meeting is Moses' encounter with God at the burning bush on Mount Horeb, where God commissions Moses to deliver the Israelites from Egypt. Moses, hesitant and concerned about his speaking abilities, is reassured by God that his brother Aaron, a Levite, will assist him. God says to Moses, "Is there not Aaron your brother, the Levite? I know that he can speak well. And even now he is coming out to meet you. When he sees you, he will be glad in his heart" (Exodus 4:14).

The Meeting:
The actual meeting between Moses and Aaron occurs in the wilderness. As instructed by God, Aaron goes to meet Moses at the mountain of God. "Then Moses went back to Jethro his father-in-law and said to him, 'Please let me return to my brothers in Egypt to see if they are still alive.' Jethro said to Moses, 'Go in peace.' Now the LORD had said to Moses in Midian, 'Go back to Egypt, for all the men who were seeking your life are dead.' So Moses took his wife and sons, put them on a donkey, and started back to the land of Egypt. And he took the staff of God in his hand" (Exodus 4:18-20).

As Moses and Aaron meet, they embrace and share the divine mission entrusted to them. "The LORD said to Aaron, 'Go into the wilderness to meet Moses.' So he went and met Moses at the mountain of God and kissed him. And Moses told Aaron everything the LORD had sent him to say, and all the signs He had commanded him to perform" (Exodus 4:27-28).

Significance:
The meeting of Moses and Aaron is significant for several reasons:

1. Divine Appointment: This encounter underscores the sovereignty of God in orchestrating events and appointing leaders. Both Moses and Aaron are chosen by God for specific roles in the deliverance of Israel.

2. Brotherly Unity: The meeting highlights the importance of unity and cooperation in fulfilling God's purposes. Despite Moses' initial reluctance, Aaron's support and eloquence complement Moses' leadership, demonstrating the strength found in partnership.

3. Preparation for Deliverance: This meeting sets the stage for the subsequent events in Egypt, where Moses and Aaron confront Pharaoh and perform signs and wonders as directed by God. It marks the beginning of the fulfillment of God's promise to deliver His people.

4. Symbol of Faith and Obedience: Both Moses and Aaron exhibit faith and obedience to God's call, despite the challenges ahead. Their willingness to step into their roles is a testament to their trust in God's plan.

Theological Implications:
From a theological perspective, the meeting of Moses and Aaron illustrates the principle of divine calling and empowerment. It reflects the biblical theme of God equipping those He calls, often using their natural abilities and relationships to accomplish His purposes. The event also foreshadows the greater deliverance that God would bring through Jesus Christ, who, like Moses, was sent to lead His people out of bondage—this time, from sin and death.

Historical and Cultural Context:
In the ancient Near Eastern context, the role of a prophet or leader was often accompanied by signs and wonders to validate their divine commission. Moses and Aaron's meeting and subsequent actions align with this cultural understanding, as they perform miracles to demonstrate God's power and authority to both the Israelites and the Egyptians.

Conclusion:
The meeting of Moses and Aaron is a foundational moment in the Exodus narrative, emphasizing God's providence, the power of unity, and the importance of obedience to divine calling. It serves as a reminder of God's faithfulness to His promises and His ability to use ordinary individuals to achieve extraordinary outcomes.