Answer:
Jane's personality does not seem very friendly. It seems like she cares a lot about her property and is not very nice to anyone (or any cow) who comes on it.
You can infer these things from the words the author chooses to describe her and her actions, such as "sour", "burly", "sharply", "stomped". The Pritcharts also seem to be used to this, as they comment that her angry visits seem to happen often.
You can infer that Bobby Loomis works for the Pritcharts because Laurie says she'll have Jeb send Bobby over to get the cows from Jane's property.
Jane says she doesn't trust Bobby to fix the fence right, that she would rather have Jeb take care of it himself. This shows that she has a bias about Bobby and it isn't positive.
OR:
1. She seems to be a sour, negative person.
2. She was rude and demanding with Laurie. She stomped off the porch. Meanwhile, Jeb made a point of ignoring her. Also, it seems that the fence problem is the Livelys’ responsibility, not the Pritcharts’.
3. He could be a hired hand, or he could be a friend of the family.
4. She told Laurie that she didn’t trust him to fix the fence properly
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