What's the difference between exasperate and exasperater?

Exasperate

Definition:

(a.) Exasperated; imbittered.
(v. t.) To irritate in a high degree; to provoke; to enrage; to exscite or to inflame the anger of; as, to exasperate a person or his feelings.
(v. t.) To make grievous, or more grievous or malignant; to aggravate; to imbitter; as, to exasperate enmity.

Example Sentences:

(1) Given Australia’s number one position as the worst carbon emitter per capita among major western nations it seems hardly surprising that islanders from Fiji, Samoa, Vanuatu and other small island developing states have been turning to Australia with growing exasperation demanding the country demonstrate an appropriate response and responsibility.
(2) Nick Clegg sounded exasperated, but it is Lib Dem convention to let members make the party’s policies by democratic vote.
(3) It's also, clearly, the beginning of an annual TV tradition, a comforting pool of lamplit nostalgia amid all the sequins and celebrity hoo-hah, with Geoffrey Palmer flapping his jowls exasperatedly as he realises he's packed the wrong rectal tube.
(4) Had they bothered to inquire of a veteran from the ranks, they might have heard how exasperating it is to see the dainty long-range patriots of Labour thrashing it out with the staunch gutter jingoists of the Conservative party – and barely a non-commissioned vet among them.
(5) Mags, from South Thanet, expressed her exasperation: “They’re all out for themselves.
(6) Showing exasperation at slow progress in kick-starting the €440bn European Financial Stability Facility, Draghi said EU leaders had decided more than a year and a half ago to launch the fund, then to make the full guarantee volume available and, four weeks ago, to leverage its resources.
(7) "Some even call me her pet," he sighs, raising his eyebrows in exasperation.
(8) The UK defence secretary, John Hutton, has expressed exasperation at European allies' lack of support .
(9) They also share – and here is the thing – an exasperation with the Spanish way of work.
(10) Barack Obama , at a press conference to wind up the summit, made no attempt to conceal his exasperation, issuing a pointed warning to Pakistan it was in its wider interest to work with the US to avoid being "consumed" by extremists.
(11) Even after three decades in the sector he sounds genuinely exasperated that life expectancy for people with some serious mental illnesses can be as much as 20 years lower than the average.
(12) There’s no evidence she’s ever been physically harmed by me on any occasion.” The officer was clearly growing exasperated with Anderson.
(13) And, yes, they exasperate their numerous ideologically charged colleagues, who have a more sceptical approach to the evidence.
(14) Foreign Office colleagues remember Sir Andrew as genuinely exasperated that Mr Masari could be allowed to stay and damage relations with Saudi Arabia.
(15) You can’t say that,” he says with impatient exasperation, when I suggest the Coalition , with its commanding majority in the lower house and its pretty well-known opposition to carbon pricing, is highly unlikely to ever back an ETS put forward by PUP even if the price is set at zero until certain that Australia’s trading partners have acted.
(16) "Evan can get exasperated if the interviewee doesn't see the world in the very clear way that Evan sees it in his head.
(17) Photograph: Christopher Thomond As Wilson – a 46-year-old American from Salt Lake City who stays remarkably calm and cheerful despite his responsibilities – prepares to receive his early morning briefing from the night team, colleagues tell him in exasperation about a young woman who turned up at 3.25am complaining of pain coming from under the false nail on her left thumb.
(18) In those times when he, or any other politician, feels a sense of exasperation about limited progress in this area, I would ask him to be inspired by those educators and those Aboriginal people who have never walked away from such challenges.
(19) As about 200,000 pro-European protesters staged demonstrations in central Kiev for the fourth weekend in a row, the European commission in Brussels vented its exasperation with President Viktor Yanukovych and announced it was suspending the talks despite renewed negotiations last Thursday.
(20) Rumin alternates between fury and exasperation when the subject of the ban comes up.