I don't understand, you want me to write you a whole paragraph?
Answer:
1. He arrived late because he had an appointment elsewhere.
2. After much discussion, he approved the project.
Explanation:
Macbeth knows that Birnam Wood is approaching and his end is near
Wiglad´s courage and loyalty are very important in the battle because it was the honor code that existed between the king or master and the warrior. As a retribution he is rewarded with treasures, protection and land . He is willing to risk his life to help Beowulf and he might see Wiglaf as a son who he trust the most.
Hope this helped if its good mark be brainliest please. :)