She badgered her doctor time and again, pleading with him to do something. They kept phoning and writing, badgering me to go back. Richard's mother badgered him into taking a Spanish wife.
That's the badger!
A man of weak will is the target of criticism; even his friends would badger him into correcting his defects.
A child who has first learned to talk will badger his parents with "whys" and "whats".