"For 11 years now he has only one approach - to lead from the front and then to confront, challenge, and chivvy the Labour Party into backing him. (www.bbc.co.uk)"
°To
coerce, as by persistent request.
"We don't have time to respond to emails or any attempts to chivvy us up - sorry. (ibid.)"
noun
"(referring to passenger feedback website) It's just there to act as a chivvy to London Underground. (ibid.)"