How would you describe the speakers personality in 'Mending Wall'?

I would describe the speaker's personality as playful and
humorous. He is being facetious in his response to his own
statement:

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Something there is that doesn't love a
wall, 
That wants it down.' I could say 'Elves' to
him,

The speaker has a good
sense of humor. He is mischievous in his line about elves desiring to tear down the
wall. The speaker humors the neighbor in helping him mend the wall. He realizes the
neighbor is old fashioned in his idea of having a fence and can't be convinced that the
fence is unnecessary. The speaker is charitable in his efforts to help his neighbor mend
the wall. He has a good will and a friendly
personality.

The speaker does not have to help his neighbor
mend the wall, but out of acts of kindness, he humors his neighbor. Although the speaker
does not necessarily believe the wall is necessary, he goes to great lengths to help his
neighbor rebuild the wall. No doubt, the speaker playfully criticizes his neighbor in
good jest. While he considers him old fashioned, he complies with his request to mend
the wall, even though the hunters and animals will tear it down
again:

I see
him there 
Bringing a stone grasped firmly by the top 
In each hand,
like an old-stone savage armed. 
He moves in darkness as it seems to
me~ 
Not of woods only and the shade of trees. 
He will not go
behind his father's saying, 
And he likes having thought of it so
well 
He says again, "Good fences make good
neighbors."

Truly, the speak
has a good spirit. He is playful and a bit mischievous. He is totally tolerant of the
neighbor and his idea that "good fences make good neighbors." The speaker is a warm,
caring man who does the right thing by respecting his neighbor's
wishes.