What is "pesters"

Usage examples of "pesters".

He pesters me a lot and I have no great love of him, but he’s really not a bad sort.

Theresa plays awhile but is clearly bored and pesters her father some more.

He pesters me a lot and I have no great love of him, but he's really not a bad sort.

Next time she pesters you, you have my permission to remind her that though she may be a princess, one day you will be Lord of Lower Pyrme with two fine castles, four rich manors, and four hundred square measures of the best farmland on the continent.