Question

(1) How does father Gilligan explain has grievance​

Answer 1

Answer:

I've emboldened the lines that include what the priest sees as his grievous sin, and italicized his repentence.  Actually, his reaction is probably quite natural.  Members of his flock are dying faster than he can deliver the Last Rites to them.  He is dozing off in his chair when he gets summoned by yet still another dying parishioner.  He is overworked and exhausted, but when he reacts to the summons in a very human way, he sees his words and behavior as not fitting for a priest.  He grieves and explodes, figuratively, and then is immediatley sorry for what he says right after he says it.

God, in the poem, though, seems to understand.  While the priest is praying, begging for forgiveness, he falls asleep and misses the man's dying moments, but God sends an angel in the priest's place to administer the Last Rites.

Explanation:

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Answer 2

Answer:

The Ballad of Father Gilligan," by Yeats. They include the details you refer to:

The old priest Peter Gilligan

Was weary night and day;

For half his flock were in their beds,

Explanation:

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