Macduff, for one. He doesn't attend the coronation either. I think he was suspicious from the moment Macbeth killed the grooms.
Macduff will not attend the coronation in Macbeth because he is suspicious of Macbeth's ascension to the throne and does not trust him. Additionally, Macbeth has ordered the murder of Macduff's family, further alienating him from the new king.
Macduff
Macduff deliberately did not attend the coronation of Macbeth, as he suspected Macbeth of foul play in becoming king and did not support his rule. Macduff's absence raised suspicion and tension between himself and Macbeth, ultimately leading to conflict and Macduff's involvement in overthrowing Macbeth.
Macduff refuses to attend Macbeth's coronation
Macduff refuses to attend Macbeth's coronation.
He goes home to Fife.
it means where was Macbeth's coronation held.
Macbeth's coronation
No
No, Macduff did not attend Macbeth's banquet. Macduff was suspicious of Macbeth and chose not to attend the banquet for safety reasons.
Malcolm invites everyone to the coronation.
Macduff greets Macbeth's announcement that he has killed the grooms with the line "Wherefore did you so?" Macduff seems to think that was a peculiar thing to do, since he asks why Macbeth did it. Macbeth has a ready answer, but then in the next scene Macduff chooses not to attend Macbeth's coronation, so maybe he was not convinced by the answer.
The first apparition warned Macbeth, 'Macbeth, Macbeth, Macbeth: beware Macduff, Beware the Thane of Fife. Dismiss me. Enough'
No, he went home to Fife.